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ANALAO 117 (1-12) 1-1976 (1992) ISSN 0003-2654 he Analyst The Analytical Journal of The Royal Society of Chemistry Volume 117 1992 Published by THE ROYAL SOCIETY OF CHEMISTRY THOMAS GRAHAM HOUSE, CAMBRIDGE, CB4 4WF THE ANALYST THE ANALYTICAL JOURNAL OF THE ROYAL SOCIETY OF CHEMISTRY Analytical Editorial Board Chairman: A. G. Fogg (Loughborough, UK) . D. Bartle (Leeds, UK) D. L. Miles (Wallingford, UK) . Egan (Cambridge, UK) J. N. Miller (Loughborough, UK) . M. Frey (Reading, UK) R. M. Miller (Port Sunlight, UK) . E. Games (Swansea, UK) B. L. Sharp (Loughborough, UK) . J. Hill (Plymouth, UK) M. R. Smyth (Dublin, Ireland) ADVISORY BOARD F. Alder (Manchester, UK) . Pungor (Budapest, Hungary) . M. Bond (Victoria, Australia) . RGZiéka (Seattle, WA, USA) . F. Browner (Atlanta, GA, USA) . M. Smith (Loughborough, UK) . T. Burns (Belfast, UK) 2. 9D.c Rm. Thomas (Cardiff, UK) G. Dorsey (Cincinnati, OH, USA) M. Thompson (Birmingham, UK) Ebdon (Plymouth, UK) . C. Thompson (Sheffield, UK) . F. Fell (Bradford, UK) . C. Uden (Amherst, MA, USA) P. Foley (Villanova, PA, USA) P. UM.A U re (Aberdeen, UK) apcrP s. cHaodmjiwiPoapneno u (Athens, Greece) . Vadgama (Manchester, UK) W. R. Heineman (Cincinnati, OH, USA) . M. G. van den Berg (Liverpool, UK) A. Hulanicki (Warsaw, Poland) . Walsh, K.B. (Melbourne, Australia) |. Karube (Yokohama, Japan) Wang (Las Cruces, NM, USA) E. J. Newman (Poole, UK) pAoc. aS n.v West (Aberdeen, UK) T. B. Pierce (Harwell, UK) REGIONAL ADVISORY EDITORS Professor Dr. U. A. Th. Brinkman Professor M. Thompson (Canada) (The Netherlands) Professor Dr. M. Valcarcel (Spain) Professor Dr. sc. K. Dittrich (Germany) Professor J. F. van Staden (South Africa) Dr. O. Osibanjo (Nigeria) Professor Yu Ru-Qin (China) Professor K. Saito (Japan) Professor Yu. A. Zolotov (USSR) Editorial Manager, Analytical Journals Judith Egan Editor, The Analyst US As-ociate Editor, The Analyst Harpal. S. Minhas Dr J. F. Tyson Senior Assistant Editor Assistant Editor Paul Delaney Sheryl Youens Editorial Secretary: Claire Harris © The Royal Society of Chemistry, 1992. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form, or by any means, electronic, mechanical, photographic, recording, or otherwise, without the prior permission of the publishers. Printed by Black Bear Press Limited Cambridge England ANALYST AUTHOR INDEX VOL. 117 (1992) 1 AUTHOR INDEX, 1992 Aarkrog, Asker, 497, 941 Birkinshaw, Keith, 1099 Chudinovskyh, T. A., 813 Ebdon, Les, 717 Abdel-Hay, Mohamed H., 157 Bjgrnstad, Helge E., 435, 439, Chyla, A., 1305 Eckers, Christine, 1413 Abildtrup, Anne, 677 Ci, Yun-Xiang, 1377 Edgar, Duart, 19 Abramowski, Bernd, 1401 Blaauw, Menno, 431 Ciszewski, Aleksander, 985 Edmonds, Tony E., 1679 Abrigo, C., 1071 Blackburn, Robert, 1949 Claessens, Henk A., 1355 Edwards, John O., 1639 Abroskin, Andrei G., 1957 Bobovnikova, Ts. I., 1041 Clark, David, 863 Efstathiou, Constantinos E., Abu-Abdoun, Ideisan I., 1179 Boenke, Achim, 1093 Clifford, Anthony A., 1697 1329 Abu-Bakr, Mohamed S., 1003 Bond, Alan M., 1845, 857 Coker, Raymond D., 67 Eid, Mohamed A., 981 Abuirjeie, Mustafa A., 157 Bondarenko, Igor I., 795, 803 Colbert, David L., 697 El-Anwar, Fawzy, 981 Adedeji, Oluwole O., 1753 Bonet Domingo, Emilio, 843 Colgan, Peter A., 461, 941 El Arabi, Houssain, 1355 Aguilar Gallardo, A., 195 Boomer, Dave, 19 Colina de Vargas, Marinela, 645 El-Din, Mohie Sharaf, 157 Ahmad, M. N., 1319 Borisov, A. P., 813 Committee for Analytical El-Hallaq, Yasser H., 447 Al-Masri, Mohammad §S., 1949 Borroni, Pier Angelo, 533 Methods for Residues of El Walily, Abdel Fattah M., 981 Alarabi, Hosen, 407 Bosch Ojeda, C., 1749 Pesticides in Foodstuffs of the El-Yazbi, Fawzy A., 785 Albero, M®. Isabel, 925, 1635 Bourgeois, Serge, 685 Ministry of Agriculture, El Zawawy, Fatma M., 1683 Alder, John F., 899 Bourgoin, Bernard P., 19 Fisheries and Food, 1451 Ellingsen, Dag, 657 Alés Barrero, Fermin, 1189 Bozdar, Rasool B., 1725 Cookeas, Efstathios G., 1329 Elnemma, Eman M., 1683 Ali, Zulfiqur, 899 Brahmaji Rao, S., 1037 Cornelis, Rita, 583 Emteborg, Hakan, 657 Allus, Mahmoud A., 1075 Brauchle, Christoph, 1609 Cornélis, Yvette, 1543 Englyst, Hans N., 1707, 1715 Almendral Parra, M. Jestis, 921 Braun, Tibor, 1537 Corns, Warren T., 717 Eppelsheim, Christian, 1609 Alonso Mateos, Angel, 921 Brenes, Manuel, 173 Cosstick, Robert J., 1581 Eremin, Sergei A., 697 Amarasiriwaradena, Chitra, Brereton, Richard G., 1075 Coulter, Brian, 521 Erich, M. Susan, 993 1939 Bretten, S., 501 Coxon, Ruth E., 697 Espinosa Almendro, J. M., 1749 Analytical Methods Committee, Brindle, lan D., 407, 1603, 1925 Cozar-Sievert, Ramon, 963 Evans, Don, 19 97, 817 Brinkman, Udo A. Th., 1355, Craig, Peter J., 823 Everaerts, Frans. M., 1355 Angeli, Gyérgy Z., 379 1701 Creaser, Colin S., 1105 Faas, Christoph, 525 Anglov, J. Thomas B., 419 Brittain, John E., 515 Crespi, Vera Caramella, 533 Fang, Wang, 757 Aoki, Nobumi, 1033 Bruckenstein, Stanley, 1251 Crews, Helen M., 649 Farrahov, I. T., 813 Aras, Namik K., 447 Bruzzone, Liliana, 1497 Criddle, W. J., 701 Favier, Alain, 1593 Arnaud, Josiane, 1593 Bucher, Erwin, 1401 Crump, Paul W., 1657 Fernandez, Carolina, 1919 Arpadjan, Sonia, 1599, 1933 Buckland, Stephen T., 947 Cséregi, Elisabeth, 1235 Ferreira, Vicente, 31 Ashraf, Sameena, 1697 Bulgakov, A. A., 1041 Cummings, J. H., 1707 Fichtl, Burckhard, 681 Asif, Mohammad, 1351 Bulska, Ewa, 657 Cunha, Ildenise B. S. , 905 Filichkina, Vera A., 1957 Atienza, Julia, 1019 Bulterman, Albert-Jan, 1701 Cunningham, John D., 521 Finster, Ute, 351 Aucott, Lorna S., 947 Bunzl, K., 469 Das, Arabinda K., 413 Flanagan, Robert J., 1111 Awaad, Hoda, 981 Burgess, John, 605 Das, Pradip K., 791 Fleming, Paddy, 1553 Axelsson, H., 417 Bustin, DuSan, 1471 Davey, David E., 761 Florence, T. Mark, 551 Aydin, Hasan, 43 Butler, L. R. P., 230 Davies, Alan E., 1055 Fogg, Arnold G., 751, 989, 1055 Babar, Mushtaq A., 1725 Byerley, John J., 1145 Dawson, David E., 461 Forster, Peter, 1543 Baccan, Nivaldo, 1029 Byrne, Anthony R., 251, 443, Day, J. Philip, 619 Forth, Wolfgang, 681 Badia, Rosana, 1497 665 De Beer, Jacques O., 933 Foster, Simon E., 989 Bahari, M. Shahru, 701 Cacho, Juan, 31 de Bruin, Marcel, 431 Frech, Wolfgang, 657 Balamtsarashvili, Gyorgy M., Cai, Pei Xiang, 185, 1509 de Koning, Adrianus J., 1571 Freeman, Neville J., 1265 807 Camilleri, P., 1421 de la Guardia, Miguel, 1849 Fujii, Kanae, 1855 Ballesteros, L., 539 Campbell, Milford B., 121 de Ruig, Willem G., 425, 545 Funtov, Valery N., 1049 Barary, Magda H., 785 Campiglio, Antonio, 1507 De Spiegeleer, Bart M. J., 933 Furusawa, Motohisa, 1485 Barbalat, Yuri A., 1957 Campos Venuti, Gloria, 511 Dean, J. R., 1743 Gaare, E., 501 Barclay, David, 117 Cano Pavon, José M., 1157, 1749 Debets, Alexander J. J., 1355 Gadzekpo, Victor P. Y., 1899 Barefoot, Ronald R., 563 Cardwell, Terence J., 1845 del Campo, Gloria, 1343 Gaind, Virindar S., 9, 161, 1417, Barek, Jifi, 751 Carmen Lajo, M., 1343 Delhaye, S., 1875 1567 Barker, Colin, 1407 Carpena, José, 1025 Deligeorgiev, Todor, 1599 Gajendragad, M. R. , 203 Barker, Geoffrey C., 1811 Caruana, Daren J., 1287 Delpuech, Jean-Jacques, 267 Gallignani, Maximo, 1849 Barnett, Catherine L., 505 Caruso, Joseph A., 971 Dempsey, Eithne, 1467 Games, David E., 839 Barnett, Neil W., 1447 Cattrall, Robert W., 1845 Demshar, Helen P., 959 Gammelgaard, Bente, 637 Baron, Alan, 1839 Chai, Fong, 161 Deng, Y., 873 Gantecheva, Vessela, 1939 Baronciani, Dante, 511 Chai, Ya-Qin, 1891 Dermelj, M., 443 Gao, Wen-yun, 145 Barros, Flavio Guimaraes, 917 Challenger, Owen J., 1447 Devi, Surekha, 1175 Gao, Yun-hua, 1775 Bartle, Keith D., 1697 Chamorro, P. R., 1905 Dhaneshwar, Ramesh, 1895 Gao, Zengzhu, 1577 Bartlett, Philip N., 1271, 1287 Chan, Wing Hong, 185, 1509, Dhingra, Surendra Kumar, 889 Garcia Alvarez-Coque, Maria Basu, Bharathibai J., 1623 1909 Diamandis, Eleftherios P., 1879 Celia, 831, 843 Bates, Paul S., 1313 Chang, Qing, 1461 Diamond, Sean, 521 Garcia Campania, Ana M., 1189 Batrakov, G. F., 813 Chang, Wen-Bao, 1377 Diaz, R. C., 1905 Garcia de Maria, Candido, 921 Baumann, Elizabeth W., 913 Chang, Xi-jun, 145 Dimitrijevic, Mihajlo, 1323 Garcia de Torres, Amparo, Baumgartner, Dieter, 475 Chatergoon, Lutchminarine, Dinesan, Maravattickal K., 61 1157, 1749 Baxter, Douglas C., 657 1869 Ding, Tianhui, 1577 Garcia-Gonzalez, Maria Teresa, Bazylak, Grzegorz, 1429 Chattaraj, Sarnath, 413 Dobrowolski, Ryszard, 1165 1169 Beckmann, Christiane, 525 Chattopadhyay, Partha, 1481 Doherty, Andrew P., 1259 Garcfa, Pedro, 173 Beer, Paul D., 1247 Chau, Y. K., 571, 1161 Doi, Hirofumi, 1643 Garcia Sanchez, F., 195 Behne, Dietrich, 555 Chaudhry, Muhammad Mansha, Doklea, Erika, 681 Gardner, Arthur W., 1811 Beltyukova, Svetlana V., 807 713 Dol, Isabel, 1373, 1385 Garmo, Torstein H., 487, 529 Belyaeva, Tatiana V., 1957 Cheam, Venghuot, 1137 Dominguez, Elena, 1235 Garrido, Antonio, 173 Bengtsson, Gunnar B., 1193 Chen, Hengwu, 407, 1603 Donard, Olivier F. X., 823 Garrigues, Salvador, 1849 Bennett, Brian A., 1627 Cheng, Jie-Ke, 1133 Dorsey, John G., 1833 Garthwaite, Paul H., 947 Beresford, Nicholas A., 505 Cheng, Oi-Ming, 777 dos Santos Araujo, Rita de Gatford, Christopher, 199 Bermond, Alain, 685 Chénieux, Jean-Claude, 77 Cassia, 1519 Gennaro, M. C., 1071 Bersier, Pierre M., 863 Chico, Elena, 1919 Dresbach, Christopher, 1401 Genova, Nicla, 533 Berzero, Antonella, 533 Chiu, Teresa P. Y., 777 Duffuaa, Salih O., 1179 Ghearing, Ben, 1833 Bicanic, Dane D., 379 Chohan, Zahid Hussain, 1379 Duffy, Jarlath T., 521 Ghijsen, Rudy T., 1701 Bicker, Gary, 767 Christensen, Jytte M., 419, 677 Durrant, Steven F., 1585 Gibson, Timothy D., 1293 Biglino, P., 1071 Christian, Gary D., 1839 Dyer, Chris D., 1393 Gilmartin, Markas A. T., 1299, Birch, Brian, 1299 Christoula, Maria, 1627 Eames, John C., 1581 1613 2 ANALYST AUTHOR INDEX VOL. 117 (1992) Glab, Stanislaw, 1671, 1675 Jaselskis, Bruno, 1785 Lu, Jianmin, 35, 1913 Murray, lan, 947 Gliddon, Michael J., 1401 Jedrzejezak, Kazik, 1417 Lubbers, Marcel, 379 Musial, Charles J., 1085 Gékmen, Ali, 447 Jeran, Z., 673 Luk, Shiu-Fai, 777 Myrvold, B. O., 355 Gékmen, Inci G., 447 Johannsen, Friedrich H., 1401 Lukassen, Wendy D., 1009 Naij, Theo H. M., 1355 Gomez-Ariza, J. L., 641 Johanson, K. J., 941 Luo, Xing-yin, 145 Nair, D. Sreevalsan, 1895 Gorton, Lo, 1235 Johansson, Kristina, 1235 LupSina, V., 673 Nakamura, Masaru, 1859 Grinberg, Nelu, 767 Johansson, Sven A. E., 259 Luterotti, Svjetiana, 141 Nakamura, Toshihiro, 131 Gushikem, Yoshitaka, 1029 Johnson, Beverly F., 1833 Lydersen, Espen, 613 Narayana, B., 203 Guzman, Miguel, 1839 Jones, Phil, 1447 Lyons, Cormac H., 1271 Narayanaswamy, Ramaier, 83 Haapalainen, Anne, 361 Jons, Ole, 637 Lyons, Michael E. G., 1271 Narukawa, Akira, 967 Hall, C. E., 1305 Jénsson-Pettersson, Gunilla, McAulay, lan R., 455, 521 Nawaz, Sadat, 67 Hall, Tony, 151 1235 McCalley, David V., 721 Neagle, William, 863 Hamilainen, Lea, 623 Jovanovic, V., 1885 McGee, Edward J., 461, 941 Neddersen, Robert, 577 Hamano, Takashi, 1033 Jureti¢é, Dubravka, 141 MacNeill, Geraldine, 521 Nelson, John H., 47 Hampp, Norbert, 1609 Kageyama, Susumu, 13 Madsen, Gary L., 1785 Nemets, Anatoliy M., 1049 Harada, Keisuke, 1185 Kalpana, G., 27 Maguire, R. J., 1161 Nemets, Valeriy M., 1049 Haro-Ruiz, Maria Dolores, 1169 Kanda, Yukio, 883 Malick, Robert E., 1833 Nerin, Christina, 31 Hart, John P., 1215, 1230, 1281, Kanert, George A., 121 Malik, Huma, 1347, 1351, 1945 Nevison, Ian M., 947 1299, 1441, 1613 Karpov, V. S., 813 Malone, Michael M., 1259 Newman, O. M. G., 1845 Hase, Tapio A., 1559 Karshman, Samir, 407 Mangels, A. Reed, 559 Ng, Siu Leung, 1909 Hase, Ushio, 1501 Kataky, Ritu, 1313 Maquieira, Angel, 1019 Nibbering, Nico M. M., 289 Hashem, Elham Y., 1003 Kawamoto, Naoki, 1781 Marcos, Juliana, 1629 Nicole, Daniel, 387 Haskins, Neville J., 1413 Kawase, Akira, 997 Margielewski, Leszek, 207 Nieboer, Evert, 550 Hassan, Saad S. M., 1683 Keatinge, M., 941 Marko-Varga, Gyérgy, 1235 Nielsen, Bent, 637 Haswell, Stephen J., 67, 117 Keizer, Meindert G., 1009 Marshall, Geoffrey B., 899 Nielsen, Claus J., 335, 355, 365 Haugen, Lars E., 465, 529 Kennedy, V. H., 941 Martin, Fabienne, 823 Nielsen, S. P., 941 Haukka, Suvi, 1381 Khuhawar, Muhammad Y., 1725 Martin, M. I. Gonzalez, 1789 Nikoli¢, SneZana D., 47 He, Qong, 181 Kim, Young-Man, 323 Martinez-Lozano, Carmen, Nishikawa, Harumitsu, 1339 Heininger, P., 295 King, Geoff, 1243 1025, 1771 Nomoto, Masayo, 1491 Heitkemper, Douglas T., 971 Kirchner, Gerald, 475 Marzouk, Sayed A. M., 1683 Nogren, A., 481 Hemmila, Ilkka A., 1061 Kiss, A. I., 371 Massart, Desiré L., 933 Norman, Michael D., 1441 Hempel, Maximilian, 669 Klaeboe, Peter 351, 355 Mastryukov, V. S., 355 Norris, John D., 3 Hendra, Patrick J., 1393 365 Masuda, Akimasa, 869, 1151, Novozamsky, Ivo, 23 Hendriks, Pieter J. M., 1355 Knochen, Moisés, 1373, 1385 1477 Nukatsuka, Isoshi, 1513 Hendrix, James L., 47 Kocherlakota, Nirmala, 401 Mateeva, Nelly, 1599 Obokata, Takao, 849 Henzel, Norbert, 387 Kocian, Oldrich, 1247 Matesic-Puac, Ruzica, 1323 O'Connell, Gregory R., 761 Hercules, David M., 323 Kocjan, Ryszard, 741 Matlengiewicz, Marek, 387 Oddone, Massimo, 533 Herman, Melissa A., 1639 Komarevsky, V. M., 813 Matsubara, Chiyo, 1781 Ohba, Toshiyasu, 1513 Hermecz, I., 371 Koncki, Robert, 1671, 1675 Matsumura, Yasuharu, 395 Ohno, Tsutomu, 993 Hernandez-Artiga, Maria Konoplev, A. V., 1041 Matsuo, Takeshi, 1793 Ohtani, Hajime, 849 Purificacion, 963 Konstantianos, Dimitrios G., Matsuoka, Shiro, 189 Ohzeki, Kunio, 1513 Hernandez-Laguna, Alfonso, 877 May. fain P., 1265 Ojanpera, Ilkka, 1559 1169 Korosin, Janez, 125 Mayes, Robert W.. 505 Oji, Yoshikiyo, 1033 Herrero, M* Asuncioén, 1019 Koshino, Yukihiro, 967 Mazalov, Lev N., 795, 803 Oka, Hideyuki, 131 Higashidate, Sakae, 1863 Koshy, Valsamma J., 27 Meaney, Mary, 1435 Okada, Tatsuhiro, 1491 Higgins, I. John, 1293 Koupai-Abyazani, Mohammed Medina Hernandez, Marfa José, Okafo, G. N., 1421 Higgins, Simon J., 1243 R., 1105 831, 843 Okano, Teruo, 395 Hill, Steve J.. 717, 1447 Kozuh, Nevenka, 125 Meeussen, Johannes C. L., 1009 O'Keeffe, Ciaran, 461 Hillman, A. Robert, 1230, 1251 Kracke, W., 469 Mellqvist, J., 417 Olsen, Inge Lise Brink, 707 Hinds, Michael W., 1473 Kravchenko, Tatyana B., 807 Meloni, Sandro, 533 Olsen, Khris, 1913 Hintelmann, Holger, 669 Krishnamacharyulu, J., 1037 Mennie, Darren, 823 Ortiz, J., 539 Hioki, Akiharu, 997 Krushevska, Antoaneta, 1939 Michas, Athanase, 1271 Ortufio, Joaquin A., 1619 Hiratani, Kazuhisa, 1491 Kubota, Masaaki, 997 Michigami, Yoshimasa, 1855 Oshima, Mitsuko, 1643, 1775 Hirayama, Kazuo, 13 Kurian, Alice, 1173 Midgley, Derek, 199 Ostah, Naman, 823 Hojker, S., 443 Lacey, Christopher J., 1441 Mierzwa, Jerzy, 1165 @Mstby, Georg, 481, 487 Holona, Izabela, 1671 Lafford, Tamzin A., 1543 Milacié, Radmila, 125 Otu, Emmanuel O., 1145 Holst, Erik, 707 Landon, John, 697 Mills, Andrew, 1461 Oughton, Deborah H., 435, 481, Homonnay, Zoltau, 1537 Landry, J., 1875 Milosavljevicé, Emil B., 47 515, 619 Hoogmartens, Jos, 933 Langmyhr, F. J., 229 Minhas, Harp, 3, 237, 695 Owen, Linda M. W., 649 Hori, Toshitaka, 893 Larkins, P. L., 231 Misra, Raj K., 1085 Padalikar, Sudhakar V., 75 Horn, A., 355 Lau, Oi-Wah, 777 Mitchell, Robert, 1413 Pal, Tarasankar, 791 Horrill, A. D., 941 Lauer, Jean-Claude, 387 Mitewa, Mariana, 1599 Palagyi, Stefan, 1537 Horvat, Milena, 665, 673 Laurence, Christian, 375 Mitsuhashi, Michiko, 1929 Palmer, Derek A., 1679 Horvath, G., 371 Laurens, Thierry, 387 Mitsuhashi, Yukimasa, 1033 Parker, David, 1313 Houalla, Marwan, 323 Le, Xiao-chun, 407 Moeder, Charles, 767 Parry, Susan J., 1347, 1351, Houk, R. S., 577 Ledford, Jeffrey S., 323 Mohd, A. A., 1743 1627, 1945 Hove, Knut, 487 Lee, Albert Wai Ming, 185, Momchilova, Svetlana, 1933 Pasquini, Celio, 905 Howard, Brenda J., 505 1509, 1909 Momin, Saschi A., 83 Patil, Vitthal B., 75 Hu, Lin-Yun, 1377 Leppard, Gary G., 595 Momtchilova, Svetla, 1939 Patterson, Kristine Y., 559 Hu, Shengshui, 181 Levillain, Pierre, 77 Montagu, Monique, 77 Pearson, J. F., 1885 Hudson, G. J., 1707 Li, Ziyun, 1577 Moors, Martine, 933 Peddy, Rao V. C., 27 Huf, Fred A., 425 Lian, Wong Fook, 1033 Morales, E., 641 Pedersen, @yvind, 529 Hughes, Terence C., 857 Liang. Wei-An, 1963 Peixoto, Carlos R. M.., 1029 Hulanicki, Adam, 1675 Liebl, Bernhard, 681 Moreira, Josino C., 989 Pelne, Agrida, 1013 Hupe, K.-Peter, 1355 Lien, H., 481 Moreno Cordero, Bernardo, 215 Pérez, C. Gonzalez. 1789 Husin, A. H., 1319 Lin, Sinru, 757 Morikawa, Hidehiro, 131 Pérez Pavon, José Luis, 215 Hutton, Robert C., 649 Littau, Sara, 1473 Morimoto, Kazuhiro, 977 Pérez-Ruiz, Tomas, 1025, 1771 Idriss, Kamal A., 1003 Littlejohn, David, 713 Mortimer, Roger J., 1247 Perpall, Holly J., 767 Imai, Kazuhiro, 1863 Liu, Baogi, 1577 Moser-Veillon, Phylis B., 559 Petit-Paly, Genevieve, 77 loannou, Pinelopi C., 877 Liu, Dao-Jie, 1335, 1767 Motomizu, Shoji, 1643, 1775 Petrone, Massimo, 511 Ishibashi, Mumio, 727 Liu, Jin-Chun, 1133 Mott, Glen E., 953 Petrov, Arcadiy A., 1049 Ishida, Hiroyuki, 1513 Liu, Ren-Min, 1335, 1767 Moulder, Robert, 1697 Pfund, B. Valentin, 857 Ishida, Junichi, 1719, 1859 Liu, Wai Leung, 1909 Moulinié, Pierre, i473 Pilipets, L. A., 813 Ishida, Ryoei, 1513 Liu, Yanfang, 1577 Mrzljak, Robert I., 1845 Pingarrén, José M., 1919 Ishihara, Shinsuke, 1775 Livens, Francis R., 505 Miickter, Harald, 681 Plambeck, James Alan, 39 Ito, Yoshio, 1033 Lognay, Georges, 1093 Mulcahy, Dennis E., 761 Plaza, Stanislaw, 207 Ivanova, Elena K., 1957 Lépez, M. A. Blanco, 1789 Mufioz-Leyva, Juan Antonio, Plumb, Robert C., 1639 Jana, Nikhil R., 791 Loveday, David C., 1251 963 Poléo, A. B. S., 613 Jansen, A. A. M., 425 Lévgren, Timo N.-E., 1061 Miirer, Ann J. L., 677 Polo, Luis M?., 1919 ANALYST AUTHOR INDEX VOL. 117 (1992) 3 Poole, Cheryl A., 1401 Sahoo, B. N., 1481 Stepanets, O. V., 813 Vos, Johannes G., 1259 Popov, V. E., 1041 Sahoo, Sarata K., 1477 Stephenson, G. Richard, 1105 Vreuls, Jolan J., 1701 Porenta, M., 443 Sak-Bosnar, Milan, 1323 Stockwell, Peter B., 717 Wada, Kouichi, 1859 Poulsen, Otto M., 677 Sakai, Tadao, 211, 1339 Stoeppler, M., 295 Wagstaffe, Peter J., 1093 Powell, Mark J., 19 Sakurai, Satoshi, 1929 Strand, Per, 493 Wahala, Kristiina, 1559 Preston, Brian, 3 Salbu, Brit, 243, 435, 439, 454, Streete, Peter J., 1111 Wahbi, Abdel-Aziz M., 785 Price, Nikki, 1243 481, 487, 515, 613, 619 Stupar, Janez, 125 Waidmann, E., 295 Proctor, Andrew, 323 Saleh, Hanaa, 87, 1457 Sturgeon, Ralph E., 233 Waki, Hirohiko, 189 Proscurnin, Michael A., 1957 Saleh, Magda S., 1003 Su, Zhi-xing, 145 Walker, John S., 1361 Puchades, Rosa, 1019 Salzer, Reiner, 351 Subramanian, M. S., 1953 Walsh, Amanda, 649 Purdy, William C., 177 Samoshin, V. V., 853 Sugihara, Hideki, 1491 Walton, Brent, 1757 Purohit, Rajesh, 1175 Samson, Isabelle, 933 Sugiyama, Masahito, 893 Walton, D. J., 1305 Pusztay, L., 371 Sanchez-Pedrefio, Concepcién, Suliman, Fakhr-Eldin O., 1179, Wang, Joseph, 35, 985, 1231, Qi-Lu, 869, 1151 925, 1619, 1635 1523 1913 Quagraine, Emmanuel K., 1899 Sanchis-Mallols, J. M., 1367 Sultan, Salah M., 773, 1179, 1523 Wang, Kemin, 57 Quigley, Michael E., 1707, 1715 Santelli, Ricardo Erthal, 1519 Siilzle, Detlev, 365 Wang, Nai-Xing, 1963 Quinn, Gregory W., 689 Sanyal, Asis K., 93 Sun, Ai-Ling, 1335, 1767 Wang, Stephen T., 959 Raczynska, Ewa D., 375 Sanz-Martinez, Antonio, 1761 Suzuki, Katsuhiko, 1151 Wang, Xiulin, 165 Rafferty, Barbara, 461 Saraswati, Rajananda, 735 Swann, Marcus J., 1251 Warwick, Peter, 151 Rahman, S. A., 1319 Sato, Jun, 131 Syed, Akheel A., 61 Watt, Esther J., 1265 Raisanen, Marja L., 623 Satoh, Hideto, 1513 Tabata, Masaaki, 1185 Weir, Donald J., 1265 Rajagopalan, S. R., 1623 Satsangi, Rajiv K., 953 labuchi, Toyohisa, 189 Welz, Bernhard, 629, 1729, 1735 Rajesh, N., 1953 Savostina, Valentina M., 1957 Tachibana, Masaki, 1485 Westerberg, Lars M., 623 Ramesh, A., 1037 Scalia, Santo, 839 Taha, Ziad, 35 Whiting, Robin, 1869 Ramis-Ramos, Guillermo, 843, Schimmack, W., 469 Taira, Masafumi, 883 Wilde, C. Paul, 1251 1367 Schnekenburger, J., 87, 1457 Takamura, Kiyoko, 1781 Wilken, Rolf-Dieter, 669 Ramsey, John D., 1111 Scollary, Geoffrey R., 1845 Tan, Guan H., 1129 Willie, Scott, 19 Ramstad, Tore, 1361 Seare, Nichola J., 1679 Taylor, David M., 689 Wilson, Robert, 1547 Ransirimal Fernando, Angelo, Segal, Michael G., 505 Taylor, Robert B., 1425 Winnewisser, Brenda P., 343 39 Seiler, Kurt, 57 Temminghoff, Erwin J. M., 23 Wolnik, Karen A., 971 Rao, T. H., 735 Selnezs, Tone D. , 493 Terao, Tadao, 727 Woodgate, Bruce E., 239 Ravindranath, L. K., 1037 Serradell, V., 539 Thalmann, Alfred, 1401 Woodward, John R., 1293 Raynor, Mark W., 1697 Sestakov, G., 443 Thomas, C. L. Paul, 899 Wring, Stephen A., 1215, 1281 Redford, K., 355 Sevalkar, Murlidhar T., 75 Thomas, J. D. R., 701 Wu, Weh S., 9 Rezvitskii, Victor V., 795, 803 Severin, Dieter, 305 Thomassen, Yngvar, 229, 657 Xia, Jin-Lan, 1133 Richards, R. Michael E., 1425 Severin, Michel, 1093 Tomas, Virginia, 1025, 1771 Xing, J. Zan, 1425 Richardson, David H. S., 1467 Shabani, Mohammad B., 1477 Tomlinson, W. R., 1743 Xu, Shi Rong, 1793 Rideau, Marc, 77 Shah, Asad Imran, 1379 lorres-Grifol, Juan F., 721 Xu, Yong-Yuan, 1061 Ridgway, Christopher, 1247 Sheen, Seng-Rong, 1691 Toyo’oka, Toshimasa, 727 Yahaya, Abdul Hamid, 43 Rievaj, Miroslav, 1471 Shen, Miao-Kang, 137 Treiger, Boris A., 795, 803 Yamaguchi, Masatoshi, 1719, Riise, G., 481 Sheppard, Brenda S., 971 Tsalev, Dimiter L., 1729, 1735 1859 Rios, Angel, 1629, 1761 Shi, Yin-Yu, 137 Tsingarelli, R. D., 853 Yamamoto, Susumu, 1033 Risica, Serena, 511 Shibata, Masaru, 1033 Tsuge, Shin, 849 Yamamoto, Yoshikazu, 1855 Riviére, J. C., 313 Shih, Jeng-Shong, 1691 Tubino, Matthieu, 917 Yaiiez-Sedentio, Paloma, 1919 Robinson, Campbell W., 1145 Shijo, Yoshio, 977, 1929 Tway, Patricia, 767 Yano, Tatsuya, 849 Rocheleau, Marie-Josée, 177 Shilstone, Gavin F., 1697 Ueda, Kazumasa, 1855 Yao, Xing-Dong, 1133 Rodenas, Vicente, 925 Shimizu, Hiroshi, 1151 Uehara, Nobuo, 977 Yasuhara, Hisao, 395 Rodrigues, Jose A., 989 Shimizu, Tokuo, 1929 Uemura, Kouji, 1775 Ye, M., 873 Rodriguez, José, 1635 Shpigun, L. K., 853 Underwood, William D., 1407 Yin, Xuefeng, 629 Roepstorff, Peter, 299 Shum, Sam C. K., 577 Unohara, Nobuyuki, 13 Yoshimura, Kazuhisa, 189, 1501 Roessner, Frank, 351 Silbert, Leonard S., 745 Uthe, John F., 1085 Yoshitake, Takashi, 1719 Rogani, Antonia, 511 Simon, Wilhelm, 57 Vadgama, Pankaj, 1657 Yu, Ru-Qin, 1891 Roman Ceba, Manuel, 1189 Singh, Ajai Kumar, 889 Val, Otilia, 1771 Yu, Yu-fu, 439 Romero, Romer A., 645 Singleton, Diane L., 505 Valcarcel, Miguel, 1629, 1761 Yuan, Ruo, 1891 Rone, Vallija, 1013 Sipachev, Viktor A., 383 van den Berg, Constant M. G.., Zahid, Z. A., 1319 Rooney, Ronald C., 1829 Skogland, T., 501 589 Zanié-Grubisi¢é, Tihana, 141 Ros, Ana L., 1619 Slater, Jonathan M., 1265, 1885 van der Merwe, Gretel, 1571 Zapolsky, M. E., 853 Rosén, A., 417 Slejkovec, Z., 443 van der Struijs, Teunis D. B., 545 Zecchini, Pierre, 329 Ross, Lynn M., 3 Smith, Clayton, 1869 Van Loon, Jon C., 563 Zefirov, N. S., 853 Rozas, Leonor G., 921 Smith, David S., 697 van Staden, Jacobus F., 51 Zelyonkina, O. A., 853 Rubini, Patrice, 387 Smyth, Malcolm R., 1259, 1467 Vassileva, Emilia, 1933 Zeng, Yun’e, 1133 Ruiz-Benitez, M., 641 Soledad Garcia, M*., 925, 1635 Veillon, Claude, 559 Zhan, Guang-yao, 145 Ruostesuo, Pirkko, 361 Solov’eva, G. Y., 813 Vereda Alonso, Elisa, 1157 Zhang, Hongyi, 1577 Ruprah, Manjit, 1111 Soloviov, Anatoliy A., 1049 Vértes, Attila, 1537 Zhang, Shuzhen, 1161 Rusterholz, Bruno, 57 Sélyom, Anik6é M., 379 Viard, Bernard, 329 Zhang, Zi-Zhong, 1963 Ru7i¢ka, Jaromir, 1839 Sonezaki, Shinji, 1719 Vieras, Estela, 1373 Zhao, Yi-Bing, 1377 Ryan, Eva, 1435 Sperling, Michael, 629, 1729, Villanueva-Camanas, R. M., Zhao, Zaofan, 181 Saad, B. B., 1319 1735 1367 Zheng, Shaoguang, 407, 1603, Saastamoinen, Ari, 1381 Stegnar, P., 443, 673 Vircava, Daina, 1013 1925 Sablinskas, Valdas, 365 Steinberg, Karl-Hermann, 351 Vircavs, Magnuss, 1013 Zolotov, Yu. A., 853 Sabri, Suzy M., 785 Steinnes, Eiliv, 243, 454, 501 Vohra, Kusum, 161, 1567 Zuman, Petr, 1803 4 ANALYST SUBJECT INDEX VOL. 117 (1992) SUBJECT INDEX, 1992 2,1,3-BENZOSELENADIAZOLES ACTIVATION ANALYSIS High-performance Liquid Chromatographic Determination of Evaluation of the Reduction Factor for the Determination of Gold in Selenium in Coal After Derivatization to 2,1,3- Ores by Epithermal Neutron Activation Analysis, 1945 Benzoselenadiazoles, 1725 ADSORPTION 2,4-DIMETHYLPHENOL Fourier Transform Infrared Spectroscopic Studies on the Interaction Determination of 2,4-Dimethylphenol by Anodic Voltammetry and Between Copper(1), Amino Acids and Marine Solid Particles, 165 Flow Injection With Amperometric Detection at a Glassy Carbon Use of Hydrous Iron(im) Oxide in a Concentration Step for the Electrode, 1919 Determination of Trace Amounts of Organophosphorus Compounds in Aqueous Solutions, 893 1,5-DIPHENYLCARB AZIDE Determination of Trace Amounts of Copper With Extraction- ADSORPTIVE STRIPPING VOLTAMMETRY Photoacoustic Spectrometry, 873 Catalytic-Adsorptive Stripping Voltammetric Determination of 8-HYDROXYQUINOLINE Ultratrace Levels of Molybdenum in the Presence of Organic Determination of Trace Levels of Copper(11), Aluminium(11) and Hydroxy Acids, 35 Determination of Trace Amounts of Estriol and Estradiol by Iron(i1) by Reversed-phase High-performance Liquid Chromatography Using a Novel On-line Sample Preconcentration Adsorptive Cathodic Stripping Voltammetry, 181 Determination of Trace Amounts of Carcinogenic Substances: Technique, 1435 Adsorptive Stripping Voltammetry of 1-[4’-(Phenylazo)phenyl]- Study of the Absorption Spectra of 4f Electron Transitions of the Neodymium With 8-Hydroxyquinoline and Octylphenol Poly- 3,3-dimethyltriazene at a Hanging Mercury Drop Electrode, 751 Differential-pulse Adsorptive Stripping Voltammetric Determination (ethylene glycol)ether and Its Analytical Application, 1963 of Sodium Cromoglycate at a Hanging Mercury Drop Electrode, 5-NITROBARBITURATE 989 Determination of Ephedrine in Pharmaceutical Preparations With a ADULTERATION Double-membrane Selective Electrode Based on Ephedrine-5- Study of the Determination of the Adulteration of Petrol With Nitrobarbiturate, 1905 Kerosene Using Fuel Cell Based Equipment, 701 1,10-PHENANTHROLINE DERIVATIVE AFFINITY CHROMATOGRAPHY Behaviour of 2,9-Disubstituted 1,10-Phenanthroline Derivatives as Spectrophotometric Enzyme-amplified Immunoassay for Thyroid Specific Lithium Ion Fluorophores, 1491 Stimulating Hormone, 1547 ABLATION AFLATOXIN Multi-elemental Analysis of Environmental Matrices by Laser Development and Evaluation of Analytical Methodology for the Ablation Inductively Coupled Plasma Mass Spectrometry, 1585 Determination of Aflatoxins in Palm Kernels, 67 ABSORPTIOMETRY AGGREGATE Determination of Trace Amounts of Iron in Highly Purified Water by Interaction of Hydrophobic Anions With Cationic Dyes and Its lon-exchanger Phase Absorptiometry Combined With Flow Application to the Spectrophotometric Determination of Anionic Analysis, 1501 Surfactants, 1643 ABSORPTION AGGREGATION Temperature Dependence of the Absorption Spectra of Nitrogen Application of Multinuclear Magnetic Resonance Spectroscopy to Oxide, Nitrogen Dioxide and Sulfur Dioxide in the Application of Solvation and Aggregation Phenomena in Solution, 267 Differential Optical Absorption Spectroscopy, 417 AIR Acid Dissociation and Solution Equilibria of Some Pyridinecarboxylic Application of Tryptamine as a Derivatizing Agent for the Acids, 1003 Determination of Airborne Isocyanates. Part 5. Investigation of Comparative Study of the Voltammetric Behaviour of Guanine at Tryptamine-coated XAD-2 Personal Sampler for Airborne Carbon Paste and Glassy Carbon Electrodes and Its Determination Isocyanates in Workplaces, 9 in Purine Mixtures by Differential-pulse Voltammetry, 1613 Determination of Tricarbonyl(2-methylcyclopentadienyl)manganese ACARICIDE in Gasoline and Air by Gas Chromatography With Electron- Spectrofluorimetric Determination of the Insecticide Azinphos- capture Detection, 161 methyl in Cultivated Soils Following Generation of a Fluorophore Distribution of Radionuclides in the Environment in Northern Italy by Hydrolysis, 195 After the Chernobyl Accident, 533 ACCREDITATION Investigation of Mercury Speciation in Lichens, 673 Proficiency Testing of Analytical Laboratories: Organization and Direct Determination of Trace Metals in Graphite Powders by Statistical Assessment, 97 Electrothermal Atomic Absorption Spectrometry, 967 Isotopic Spectral Analysis of Inorganic Gases, 1049 ACCURACY Gas Chromatographic Determination of Airborne Organic Acids via Precise Coulometric Titration of Antimony(it) in a Highly Acidic Their Anilides, 1567 Solution, 997 Effects of Noise in Derivative Spectrophotometry: Anomalous Bias AIR POLLUTION Arising From Amplitude Measurements, 1385 Distribution of Radionuclides in the Environment in Northern Italy Improvement of Accuracy for the Determination of Transient Signals After the Chernobyl Accident, 533 Using the Kalman Filter. Part 1. Simulations, 1925 Investigation of Mercury Speciation in Lichens, 673 Gas Chromatographic Determination of Airborne Organic Acids via ACETYLCHOLINE SENSOR Their Anilides, 1567 Kinetic Model of pH-based Potentiometric Enzymic Sensors. Part 2. AIR SAMPLE Method of Fitting, 1671 Determination of Tricarbonyl(2-methylcyclopentadienyl)manganese ACETYLSALICYLIC ACID in Gasoline and Air by Gas Chromatography With Electron- Simultaneous Determination of Acetylsalicylic Acid and Its Major capture Detection, 161 Metabolites in Human Serum by Second-derivative Synchronous Gas Chromatographic Determination of Airborne Organic Acids via Fluorescence Spectrometry, 877 Their Anilides, 1567 ACID DIGESTION AIR STREAM Factorial Design Approach to Microwave Dissolution, 1743 Direct Determination of Trace Metals in Graphite Powders by ACID DISSOCIATION Electrothermal Atomic Absorption Spectrometry, 967 Acid Dissociation and Solution Equilibria of Some Pyridinecarboxylic AIRBORNE CARBOXYLIC ACID DETERMINATION Acids, 1003 Gas Chromatographic Determination of Airborne Organic Acids via ACIDIC WATER Their Anilides, 1567 Size and Charge Fractionation of Aqueous Aluminium in Dilute AIRBORNE ISOCYANATE Acidic Waters: Effects of Changes in pH and Temperature, 613 Application of Tryptamine as a Derivatizing Agent for the Use of an Aluminium-26 Tracer to Study the Deposition of Determination of Airborne Isocyanates. Part 5. Investigation of Aluminium Species on Fish Gills Following Mixing of Limed and Tryptamine-coated XAD-2 Personal Sampler for Airborne Acidic Waters, 619 Isocyanates in Workplaces, 9 ACTIVATION AGENT AIRBORNE ORGANIC ACID Fluorescent Chiral Derivatization Reagents for Carboxylic Acid Gas Chromatographic Deiermination of Airborne Organic Acids via Enantiomers in High-performance Liquid Chromatography, 727 Their Anilides, 1567 ANALYST SUBJECT INDEX VOL. 117 (1992) 5 ALCOHOL AMOXYCILLIN Stabilization of Analytical Enzymes Using a Novel Polymer- High-performance Liquid Chromatographic and Derivative Carbohydrate System and the Production of a Stabilized, Single Ultraviolet Spectrophotometric Determination of Amoxycillin and Reagent for Alcohol Analysis, 1293 Dicloxacillin Mixtures in Capsules, 981 ALIZARIN RED S Micellar Electrokinetic Capillary Chromatography of Amoxycillin Spectrofluorimetric Determination of Boron in Soils, Plants and and Related Molecules, 1421 Natural Waters With Alizarin Red S, 1189 AMPEROMETRY ALKADIENE Flow Injection Amperometric Determination of Cyanide on a Computer Aided Analoyfs Cairbson -13 Nuclear Magnetic Resonance Modified Silver Electrode, 47 Spectra of Multicomponent Mixtures. Part 2. Determination of the Amperometric Biosensors Based on an Apparent Direct Electron Content of Alkadienes in a Light Gasoline, 387 Transfer Between Electrodes and Immobilized Peroxidases— Plenary Lecture, 1235 ALKALI METAL Flow Injection Amperometric Determination of Nitrite at a Carbon Silica Gel Modified With Titan Yellow as a Sorbent for Separation Fibre Electrode Modified With the Polymer [Os(bipy)>- and Preconcentration of Trace Amounts of Heavy Metals From (PVP) CIJCI, 1259 Alkaline Earth or Alkali Metal Salts, 741 Amperometric Chemical Sensors Using Microheterogeneous ALKALINE EARTH Systems, 1271 Silica Gel Modified With Titan Yellow as a Sorbent for Separation Voltammetric and Amperometric Behaviour of Uric Acid at Bare and and Preconcentration of Trace Amounts of Heavy Metals From Surface-modified Screen-printed Electrodes: Studies Towards a Alkaline Earth or Alkali Metal Salts, 741 Disposable Uric Acid Sensor, 1299 ALKENYLSUCCINIC ANHYDRIDE Voltammetric Behaviour of Vitamins D2 and D; at a Glassy Carbon Determination of Neutral Sizing Agents in Paper by Pyrolysis—Gas Electrode and Their Determination in Pharmaceutical Products by Chromatography, 849 Using Liquid Chromatography With Amperometric Detection, ALKYLAMINE 1441 Helical Nickel(11) Complexes as Mobile Phase Additives in the Determination of Neutral Sugars and Hexosamines by High- Reversed-phase High-performance Liquid Chromatographic performance Liquid Chromatography With Pulsed Amperometric Separation of Alkylamine Enantiomers, 1429 Detection, 1715 ALKYLKETENE DIMER Determination of 2,4-Dimethylphenol by Anodic Voltammetry and Determination of Neutral Sizing Agents in Paper by Pyrolysis—Gas Flow Injection With Amperometric Detection at a Glassy Carbon Chromatography, 849 Electrode, 1919 ALLOY AMPLITUDE MEASUREMENT Complexometric Determination of Copper in Isolation, Alloys and Effects of Noise in Derivative Spectrophotometry: Anomalous Bias Complexes Using pi-Cysteine as a Selective Masking Agent, 203 Arising From Amplitude Measurements, 1385 ANALYSIS OF VARIANCE ALTERNATING CURRENT TENSAMMETRY Relationship Between Content Limits and Assay Methods: An Monitoring and Assay of Water Treatment Additives by Alternating Interlaboratory Statistical Evaluation, 933 Current Tensammetry and Voltammetry: Scope and Limitations, ANILIDE DERIVATIVE 863 Gas Chromatcgraphic Determination of Airborne Organic Acids via ALUMINIUM Their Anilides, 1567 Determination of Aluminium-26 Using a Low-level Liquid ANIMAL FEED Scintillation Spectrometer, 435 Determination of Sulfadimidine in Medicated Animal Feeds, 817 Size and Charge Fractionation of Aqueous Aluminium in Dilute Microbiological Assay of Avoparcin in Animal Feeds and Pre- Acidic Waters: Effects of Changes in pH and Temperature, 613 mixes—Co-operative Study, 1401 Use of an Aluminium-26 Tracer to Study the Deposition of ANIMALS Aluminium Species on Fish Gills Following Mixing of Limed and Availability of Caesium Isotopes in Vegetation Estimated From Acidic Waters, 619 Incubation and Extraction Experiments, 487 Determination of Trace Levels of Copper(u), Aluminium(11) and ANION-EXCHANGE CHROMATOGRAPHY Iron(i1) by Reversed-phase High-performance Liquid Poly(aniline): A Conducting Polymer as a Novel Anion-exchange Chromatography Using a Novel On-line Sample Preconcentration Resin, 61 Technique, 1435 Anion-exchange Chromatography of Mixed Cyano Complexes: Potentiometric Titration of Fluoride Using an Aluminium Wire Separation and Determination of Dicyanoaurate(1), 1145 Indicator Electrode, 1895 ANION-EXCHANGE RESIN ALUMINIUM WIRE INDICATOR ELECTRODE Poly(aniline): A Conducting Polymer as a Novel Anion-exchange Potentiometric Titration of Fluoride Using an Aluminium Wire Resin, 61 Indicator Electrode, 1895 ANIONIC SURFACTANT AMERICIUM Interaction of Hydrophobic Anions With Cationic Dyes and Its Vertical Migration of Plutonium-239 + -240, Americium-241 and Application to the Spectrophotometric Determination of Anionic Caesium-137 Fallout in a Forest Soil Under Spruce, 469 Surfactants, 1643 AMIDE ANODIC Hydrogen Bonding of Tris(diethylamino)phosphine Oxide, Tris- Digestion of Soil Samples for the Determination of Trace Amounts of (diethylamino)phosphine Sulfide, Tris(diethylamino)phosphine Lead by Differential-pulse Anodic Stripping Voltammetry, 39 Selenide and N, N-Dimethylthioacetamide With Various Proton ANODIC STRIPPING VOLTAMMETRY Donors, 361 Instrumental Comparison for the Determination of Cadmium and AMINE Lead in Calcium Supplements and Other Calcium-rich Matrices, 19 Characterization of Amines by Fast Biack K Salt in Thin-layer Determination of Selenium(1v) by Anodic Stripping Voltammetry Chromatography, 1559 Using Extraction With Pentyl Alcohol, 43 Differential-pulse Polarographic Micro-determination of Amines via Trace Element Speciation by Anodic Stripping Voltammetry, 551 in situ Generation of Dithiocarbamates, 1909 Effect of Deposition Potential on the Voltammetric Determination of Complexing Ligand Concentrations in Sea-water, 589 AMINE CHARACTERIZATION Determination of Thallium in Cement Dust and Sediment Samples by Characterization of Amines by Fast Black K Salt in Thin-layer Differential-pulse Anodic Stripping Voltammetry: A Chemometric Chromatography, 1559 Approach to Linear Calibration, 1075 AMINO ACID Determination of Mercury in High-purity Gallium Arsenide Using a Fourier Transform Infrared Spectroscopic Studies on the Interaction Gold-fibre Voltammetric Microelectrode, 1471 Between Copper(11), Amino Acids and Marine Solid Particles, 165 ANODIC VOLTAMMETRY Synthesis of Tin(tv) Vanadopyrophosphate as a Novel Stationary Determination of 2,4-Dimethylphenol by Anodic Voltammetry and Phase for High-performance Liquid Chromatography and Its Flow Injection With Amperometric Detection at a Glassy Carbon Application to Amino Acid Analysis, 1133 Electrode, 1919 Quantitative Analysis of Minor Proteins, Free Amino Acids and ANOMALOUS BIAS Other Components Containing Nitrogen in Crude Tallow, 1793 Effects of Noise in Derivative Spectrophotometry: Anomalous Bias AMMONIA Arising From Amplitude Measurements, 1385 Determination of Ammonia Using Carbon Dioxide Laser ANTHRACENE Photoacoustic Spectroscopy Compared With Conventional Room-temperature Phosphorimetry of Carbazole in Anthracene, Spectrophotometry, 379 1497 Denuder Tube Preconcentration and Detection of Gaseous Ammonia ANTIARRHYTHMIC DRUG Using a Coated Quartz Piezoelectric Crystal, 899 lon-selective Electrodes for the Determination of the Antiarrhythmic AMMONIUM NITRATE Drug Bretylium, 1609 lon Chromatographic Study of the Effect of Ammonium Nitrate as a Modifier in Electrothermal Atomic Absorption Spectrometry, 713 6 ANALYST SUBJECT INDEX VOL. 117 (1992) ANTIBACTERIAL DRUG Photochemical Determination of Ascorbic Acid Using Unsegmented Simultaneous Determination of Some Antibacterial Drugs in Flow Methods, 1761 Isosensitest Broth Using High-performance Liquid ASPHALT Chromatography With Solid-phase Extraction, 1425 Improved Methods for Separation and Chromatographic Analysis of ANTIBILHARZIAL DRUG Natural Asphalts, 1869 Colorimetric Method for the Quantitative Determination of the ASSAY Antibilharzial Drug Praziquantel and Its Application to Rapid Ultraviolet Spectrophotometric Assay of Benzoyl Pharmaceutical Preparation, 87 Metronidazole in an Oral Suspension, 93 ANTIBIOTIC ASTRONOMY Simplex-optimized and Flow Injection Spectrophotometric Assay of Spectroscopy From the Hubble Space Telescope, 239 Tetracycline Antibiotics in Drug Formulations, 1179 ATMOSPHERIC GASES Microbiological Assay of Avoparcin in Animal Feeds and Pre- Determination of Ammonia Using Carbon Dioxide Laser mixes—Co-operative Study, 1401 Photoacoustic Spectroscopy Compared With Conventional Micellar Electrokinetic Capillary Chromatography of Amoxycillin Spectrophotometry, 379 and Related Molecules, 1421 Isotopic Spectral Analysis of Inorganic Gases, 1049 Flow Injection Spectrophotometric Determination of the Antibiotic ATMOSPHERIC POLLUTION Ciprofloxacin in Drug Formulations, 1523 Determination of Ammonia Using Carbon Dioxide Laser ANTIMALARIAL Photoacoustic Spectroscopy Compared With Conventional Primaquine-selective Electrodes Based on Macrocyclic Crown Spectrophotometry, 379 Ethers, 1319 ATOMIC ABSORPTION SPECTROMETRY ANTIMONY Instrumental Comparison for the Determination of Cadmium and High-pressure Microwave Digestion for the Determination of Lead in Calcium Supplements and Other Calcium-rich Matrices, 19 Arsenic, Antimony, Selenium and Mercury in Oily Wastes, 121 Determination of Lead in Plant Tissues: A Pitfall due to Wet Precise Coulometric Titration of Antimony(i) in a Highly Acidic Digestion Procedures in the Presence of Sulfuric Acid, 23 Solution, 997 Determination of Lead, Cadmium, Zinc and Tin in Samples of Combined Generator/Separator. Part 2. Stibine Generation Poly(vinyl chloride) by Square-wave Voltammetry and Atomic Combined With Flow Injection for the Determination of Antimony Absorption Spectrometry, 27 in Metal Samples by Atomic Emission Spectrometry, 1603 Determination of Lead in Wines by Hydride Generation Atomic Kinetic—Potentiometric Determination of Iodide With an Antimony- Absorption Spectrometry, 31 (v) Coated-wire Ion-selective Electrode, 1619 On-line Microwave Digestion of Slurry Samples With Direct Flame ANXIOLYTIC SEDATIVE Atomic Absorption Spectrometric Elemental Detection, 117 Flow Injection Stopped-flow Kinetic Determination of the Anxiolytic High-pressure Microwave Digestion for the Determination of Sedative Bromazepam in Dosage Forms, 773 Arsenic, Antimony, Selenium and Mercury in Oily Wastes, 121 APPLE Critical Evaluation of Three Analytical Techniques for the Mobility of Superficially Applied Caesium-134 and Strontium-85 in Determination of Chromium(v1) in Soil Extracts, 125 Apple Branches Under Precipitation-free Conditions, 1193 Determination of Lithium, Beryllium, Cobalt, Nickel, Copper, Rubidium, Caesium, Lead and Bismuth in Silicate Rocks by Direct AQUA REGIA Atomization Atomic Absorption Spectrometry, 131 Modified Decomposition Procedure for the Determination of Gold in Determination of Lanthanum in Food and Water Samples by Geological Samples by Atomic Absorption Spectrometry, 1481 Zeeman-effect Atomic Absorption Spectrometry Using a Graphite AQUATIC ECOSYSTEM Tube Lined With Tungsten Foil, 137 Size, Morphology and Composition of Particulates in Aquatic Rapid and Simple Method for the Determination of Copper, Ecosystems: Solving Speciation Problems by Correlative Electron Manganese and Zinc in Rat Liver by Direct Flame Atomic Microscopy, 595 Absorption Spectrometry, 141 ARGON CHLORIDE Indirect Atomic Absorption Spectrometric Determination of Sulfate Arsenic Speciation by lon Chromatography With Inductively in Human Blood Serum, 413 Coupled Plasma Mass Spectrometric Detection, 971 Chromatographic Techniques in Metal Speciation, 571 ARSENIC Differential Determination of Chromium(v1) and Total Chromium in High-pressure Microwave Digestion for the Determination of Natural Waters Using Flow Injection On-line Separation and Arsenic, Antimony, Selenium and Mercury in Oily Wastes, 121 Preconcentration Electrothermal Atomic Absorption Combined Generator/Separator for Continuous Hydride Generation: Spectrometry, 629 Application to On-line Pre-reduction of Arsenic(v) and Mercury Determination by Cold Vapour Atomic Absorption Determination of Arsenic in Water by Atomic Emission Spectrometry in Several Biological Indicators From Lake Spectrometry, 407 Maracaibo, Venezuela, 645 Elemental Speciation by Liquid Chromatography—Inductively Preliminary Study of the Effects of Some Physical Parameters on the Coupled Plasma Mass Spectrometry With Direct Injection Stability of Methylmercury in Biological Samples, 665 Nebulization, 577 Investigation of Mercury Speciation in Lichens, 673 Effect of Seafood Consumption on the Urinary Level of Total Effect of Seafood Consumption on the Urinary Level of Total Hydride-generating Arsenic Compounds. Instability of Hydride-generating Arsenic Compounds. Instability of Arsenobetaine and Arsenocholine, 677 Arsenobetaine and Arsenocholine, 677 Influence of Organic and Inorganic Arsenicals on Glucose Uptake in lon Chromatographic Study of the Effect of Ammonium Nitrate as a Madin—Darby Canine Kidney (MDCK) Cells, 681 Modifier in Electrothermal Atomic Absorption Spectrometry, 713 Arsenic Speciation by lon Chromatography With Inductively Determination of Blood Lead in Dried Blood-spot Specimens by Coupled Plasma Mass Spectrometric Detection, 971 Zeeman-effect Background Corrected Atomic Absorption Precise Coulometric Titration of Antimony(i) in a Highly Acidic Spectrometry, 959 Solution, 997 Determination of Wear-metals in Used Lubricating Oils From Marine Oxidation Product of Ammonium Pyrrolidin-1-yldithioformate as a Engines by Flame Atomic Absorption Spectrometry, 963 Coprecipitator for the Preconcentration of Vanadium, Cobalt, Direct Determination of Trace Metals in Graphite Powders by Zinc, Arsenic, Iron, Cadmium, Selenium and Mercury From Electrothermal Atomic Absorption Spectrometry, 967 Aqueous Solution, 1013 Determination of Butyltin Species in Sewage and Sludge by Gas ARSENOBETAINE Chromatography—Atomic Absorption Spectrometry, 1161 Effect of Seafood Consumption on the Urinary Level of Total Determination of Mercury in Fluorescent Lamp Cullet by Atomic Hydride-generating Arsenic Compounds. Instability of Absorption Spectrometry, 1165 Arsenobetaine and Arsenocholine, 677 Modified Decomposition Procedure for the Determination of Gold in Geological Samples by Atomic Absorption Spectrometry, 1481 ARSENOCHOLINE Determination of Trace Metals in Platinum by Electrothermal Atomic Effect of Seafood Consumption on the Urinary Level of Total Absorption Spectrometry Following a Closed-vessel Microwave Hydride-generating Arsenic Compounds. Instability of Dissolution Procedure, 1473 Arsenobetaine and Arsenocholine, 677 Determination of Ultrafiltrable Zinc in Human Milk by ARSINE Electrothermal Atomic Absorption Spectrometry, 1593 Determination of Trace Amounts of Water in High-purity Silane, Extraction Systems for the Flame Atomic Absorption Spectrometric Arsine and Phosphine by Gas Chromatography, 1577 Determination of Trace Amounts of Mercury and Palladium, 1599 ASCORBIC ACID On-line Microwave Sample Pre-treatment for Hydride Generation Simultaneous Determination of Atmospheric Nitric Acid and Nitrous and Cold Vapour Atomic Absorption Spectrometry. Part 1. The Acid by Reduction With Hydrazine and Ascorbic Acid With Manifold, 1729 Chemiluminescence Detection, 883 On-line Microwave Sample Pre-treatment for Hydride Generation Determination of Ascorbic Acid in Pharmaceuticals and Urine by and Cold Vapour Atomic Absorption Spectrometry. Part 2. Reverse Flow Injection, 1635 Chemistry and Applications, 1735 ANALYST SUBJECT INDEX VOL. 117 (1992) 7 Determination of Bismuth in Sea-water by Electrothermal Atomic AZOBENZENE Absorption Spectrometry After Liquid—Liquid Extraction and Poly(vinyl chloride) Matrix Membrane pH Electrode Based on Micro-volume Back-extraction, 1929 4,4'-Bis[(N,N-dialkylamino)methyl]azobenzene With a Wide Preconcentration Methods for Determination of Trace Amounts of Linear pH Response Range, 1891 Impurities in High-purity Copper Salts by Atomic Absorption AZTREONAM Spectrometry and Inductively Coupled Plasma Atomic Emission Batch and Flow Injection Spectrophotometric Determination of Spectrometry, 1933 Aztreonam, 1789 ATOMIC EMISSION SPECTROMETRY 6-CAROTENE Mutual Separation and Preconcentration of Vanadium(v) and Simple Voltammetric Method for the Determination of B-Carotene in Vanadium(tv) in Natural Waters With Chelating Functional Group Brine and Soya Oil Samples at Mercury and Glassy Carbon Immobilized Silica Gels Followed by Determination of Vanadium Electrodes, 857 by Inductively Coupied Plasma Atomic Emission Spectrometry, 13 Characterization of Inhomogeneity in High-quality Quartz Crystals, p-LACTAM 329 Micellar Electrokinetic Capillary Chromatography of Amoxycillin and Related Molecules, 1421 Combined Generator/Separator for Continuous Hydride Generation: Application to On-line Pre-reduction of Arsenic(v) and BACK-EXTRACTION Determination of Arsenic in Water by Atomic Emission Determination of Bismuth at Ultra-trace Levels in Sea-water by Spectrometry, 407 Inductively Coupled Plasma Mass Spectrometry After Chromatographic Techniques in Metal Speciation, 571 Preconcentration With Solvent Extraction and Back-extraction, Speciation of Mercury in Human Whole Blood by Capillary Gas 1477 Chromatography With a Microwave-induced Plasma Emission Determination of Bismuth in Sea-water by Electrothermal Atomic Detector System Following Complexometric Extraction and Absorption Spectrometry After Liquid—Liquid Extraction and Micro-volume Back-extraction, 1929 Butylation, 657 Calculation of Method Evaluation Functions for Inductively Coupled BACKGROUND CORRECTION Plasma Atomic Emission Spectrometric Analysis for Iron, Background-correction Methods for the Determination of Caffeine in Manganese and Titanium From Metal-spiked Filter Samples, 707 Beverages, Coffee and Tea by Using Second-derivative Ultraviolet Effects of Moisture on the Cold Vapour Determination of Mercury Spectrophotometry, 777 and Its Removal by Use of Membrane Dryer Tubes, 717 Determination of Lithium at Ultratrace Levels in Biological Fluids by Determination of Nickel in Biological Materials After Microwave Flame Atomic Emission Spectrometry. Use of First-derivative Dissolution Using Inductively Coupled Plasma Atomic Emission Spectrometry, 1373 Spectrometry With Prior Extraction into Butan-1l-ol, 1157 BARIUM Determination of Lithium at Ultratrace Levels in Biological Fluids by Determination of Lead in Plant Tissues: A Pitfall due to Wet Flame Atomic Emission Spectrometry. Use of First-derivative Digestion Procedures in the Presence of Sulfuric Acid, 23 Spectrometry, 1373 BATCH METHOD Determination of Forms of Sulfur in Coals and Related Materials by Batch and Flow Injection Spectrophotometric Determination of Eschka Digestion and Inductively Coupled Plasma Atomic Aztreonam, 1789 Emission Spectrometry, 1581 BAUXITE Combined Generator/Separator. Part 2. Stibine Generation Spectrophotometric Determination of Titanium(rv) Using Combined With Flow Injection for the Determination of Antimony Chromotropic Acid and a Flow Injection Manifold, 1175 in Metal Samples by Atomic Emission Spectrometry, 1603 BEER ANALYSIS Factorial Design Approach to Microwave Dissolution, 1743 Differential-pulse Polarographic Microdetermination of Ethanol and Determination of Cadmium in Biological Samples by Inductively Its Application to Beer Analysis, 1509 Coupled Plasma Atomic Emission Spectrometry After Extraction BENTAZONE Wtih 1,5-Bis(di-2-pyridylmethylene) Thiocarbonohydrazide, 1749 Electrophoretic Sample Pre-treatment Techniques Coupled On-line Preconcentration Methods for Determination of Trace Amounts of With Column Liquid Chromatography, 1355 Impurities in High-purity Copper Salts by Atomic Absorption BENZOYL METRONIDAZOLE Spectrometry and Inductively Coupled Plasma Atomic Emission Rapid Ultraviolet Spectrophotometric Assay of Benzoyl Spectrometry, 1933 Metronidazole in an Oral Suspension, 93 Comparison of Different Procedures for the Analysis of High-purity BERYLLIUM Potassium Nitrate by Inductively Coupled Plasma Atomic Emission Determination of Lithium, Beryllium, Cobalt, Nickel, Copper, Spectrometry, 1939 Rubidium, Caesium, Lead and Bismuth in Silicate Rocks by Direct ATOMIC FLUORESCENCE SPECTROMETRY Atomization Atomic Absorption Spectrometry, 131 Chromatographic Techniques in Metal Speciation, 571 Solid-phase Extraction of Trace Amounts of Beryllium(1) from Effects of Moisture on the Cold Vapour Determination of Mercury Natural Water Samples on a Glass-fibre Filter Followed by and Its Removal by Use of Membrane Dryer Tubes, 717 Solid-phase Spectrophotometric Determination Using ATRAZINE Chromazurol B, 1513 Prediction of the Conditions for Supercritical Fluid Extraction of BEVERAGE Atrazine from Soil, 1697 Determination of Lead in Wines by Hydride Generation Atomic AUGER ELECTRON SPECTROSCOPY Absorption Spectrometry, 31 Recent Advances in Surface Analysis—Invited Lecture, 313 Background-correction Methods for the Determination of Caffeine in AUGMENTIN Beverages, Coffee and Tea by Using Second-derivative Ultraviolet Micellar Electrokinetic Capillary Chromatography of Amoxycillin Spectrophotometry, 777 and Related Molecules, 1421 Conductimetric and Spectrophotometric Determination of the AUTOMATED SIMULTANEOUS DETERMINATION Volatile Acidity of Wines by Flow Injection, 917 Flow Injection Spectrophotometric Determination of Caicium, Automated Simultaneous Determination of Metal Ions by Use of Phosphate and Chloride Ions in Milk, 1019 Variable Flow Rates in Unsegmented Systems, 1629 Gas Chromatographic—Mass Spectrometric Characterization of AUTOMATED TITRATION Flavanones in Citrus and Grape Juices, 1105 Automated Gravimetric Management of Solutions. Part 1. High- Spectrophotometric Determination of Biacetyl in Distillates of Wine performance Microcomputer-controlled Gravimetric Burette, 905 by Flow Injection, 1343 AUTOMATION Differential-pulse Polarographic Microdetermination of Ethanol and Robotic Microwave Digestion System for Dissolution of Titanium Its Application to Beer Analysis, 1509 Dioxide, 3 BIACETYL Urinary Cotinine Fluoroimmunoassay for Smoking Status Screening Spectrophotometric Determination of Biacetyl in Distillates of Wine Adapted to an Automated Analyser, 697 by Flow Injection, 1343 Automated Gravimetric Management of Solutions. Part 1. High- BIAS performance Microcomputer-controlled Gravimetric Burette, 905 Bias and Measurement Errors in Radioactivity Data From Four Automated Simultaneous Determination of Metal Ions by Use of European Radiation Research Laboratories, 941 Variable Flow Rates in Unsegmented Systems, 1629 Effects of Noise in Derivative Spectrophotometry: Anomalous Bias AVOPARCIN Arising From Amplitude Measurements, 1385 Microbiological Assay of Avoparcin in Animal Feeds and Pre- BICYCLOHEXYL mixes—Co-operative Study, 1401 Solid Phases of Bicyclohexyl Studied With Vibrational Spectroscopy AZINPHOS-METHYL and Calorimetry, 355 Spectrofluorimetric Determination of the Insecticide Azinphos- BILE ACID methyl in Cultivated Soils Following Generation of a Fluorophore Pyrolysis-Gas Chromatography-—Mass Spectrometry of a Series of by Hydrolysis, 195 Bile Acid Sequestrants, 1413 8 ANALYST SUBJECT INDEX VOL. 117 (1992) BILE ACID SEQUESTRANT Spectrofluorimetric Determination of Boron in Soils, Plants and Pyrolysis-Gas Chromatography—Mass Spectrometry of a Series of Natural Waters With Alizarin Red S, 1189 Bile Acid Sequestrants, 1413 Determination of Lithium at Ultratrace Levels in Biological Fluids by BIOASSAY Flame Atomic Emission Spectrometry. Use of First-derivative Trace Element Speciation by Anodic Stripping Voltammetry, 551 Spectrometry, 1373 Factorial Design Approach to Microwave Dissolution, 1743 BiOAVAILABILITY Determination of Cadmium in Biological Samples by Inductively Radionuclide Mobility and Bioavailability in Norwegian and Soviet Coupled Plasma Atomic Emission Spectrometry After Extraction Soils, 481 Wtih 1,5-Bis(di-2-pyridylmethylene) Thiocarbonohydrazide, 1749 Availability of Caesium Isotopes in Vegetation Estimated From Determination of Femtomole Concentrations of Catecholamines by Incubation and Extraction Experiments, 487 High-performance Liquid Chromatography With Peroxyoxalate Development of a Laboratory Method to Predict Rapidly the Chemiluminescence Detection, 1863 Availability of Radiocaesium, 505 Determination of Tryptophan in Pure Proteins and Plant Materials by Utilization of Two Different Chemical Forms of Selenium During Three Methods, 1875 Lactation Using Stable Isotope Tracers: an Example of Speciation BIOSENSOR in Nutrition, 559 Scanning Probe Microscopies for High-resolution Characterization of BIOLOGICAL Electrochemical Sensors—Plenary Lecture, 1231 Determination of Aluminium-26 Using a Low-level Liquid Amperometric Biosensors Based on an Apparent Direct Electron Scintillation Spectrometer, 435 Transfer Between Electrodes and Immobilized Peroxidases— Use of Radiochemical Methods as Tools for Speciation Purposes in Plenary Lecture, 1235 Environmental and Biological Sciences, 583 Voltammetric and Amperometric Behaviour of Uric Acid at Bare and Simultaneous Determination of Acetylsalicylic Acid and Its Major Surface-modified Screen-printed Electrodes: Studies Towards a Metabolites in Human Serum by Second-derivative Synchronous Disposable Uric Acid Sensor, 1299 Fluorescence Spectrometry, 877 Biosensors: Recent Trends. A Review, 1657 Chemically Modified, Carbon-based Electrodes and Their Kinetic Model of pH-based Potentiometric Enzymic Sensors. Part 2. Application as Electrochemical Sensors for the Analysis of Method of Fitting, 1671 Biologically Important Compounds. A Review, 1215 BIRDS Spectrofluorimetric Determination of Tetracycline and Post-Chernobyl Accident Radioactivity Measurements in the Anhydrotetracycline in Serum and Urine, 1377 Comunidad Autonoma de Valencia, Spain, 539 Spectrophotometric Enzyme-amplified Immunoassay for Thyroid BIS(DIALKOXYTHIOPHOSPHINOYL) DISULFATE Stimulating Hormone, 1547 Analysis of Mixtures of Dialkyldithiophosphate, Bis- Comparative Study of the Voltammetric Behaviour of Guanine at (dialkoxythiophosphinoyl) Disulfide and Elemental Sulfur, 207 Carbon Paste and Glassy Carbon Electrodes and Its Determination in Purine Mixtures by Differential-pulse Voltammetry, 1613 BISMUTH High-performance Liquid Chromatographic Determination of Determination of Lithium, Beryllium, Cobalt, Nickel, Copper, Selenium in Coal After Derivatization to 2,1,3- Rubidium, Caesium, Lead and Bismuth in Silicate Rocks by Direct Benzoselenadiazoles, 1725 Atomization Atomic Absorption Spectrometry, 131 Separation and Determination of Metal Ions as Pic>linaldehyde Determination of Cadmium in Biological Samples by Inductively Coupled Plasma Atomic Emission Spectrometry After Extraction 4-Phenyl-3-thiosemicarbazone Chelates by Reversed-phase High- performance Liquid Chromatography, 977 Wtih 1,5-Bis(di-2-pyridylmethylene) Thiocarbonohydrazide, 1749 Determination of Tryptophan in Pure Proteins and Plant Materials by Determination of Bismuth at Ultra-trace Levels in Sea-water by Three Methods, 1875 Inductively Coupled Plasma Mass Spectrometry After Preconcentration With Solvent Extraction and Back-extraction, BIOLOGICAL FLUID 1477 Simultaneous Determination of Acetylsalicylic Acid and Its Major Determination of Bismuth in Sea-water by Electrothermal Atomic Metabolites in Human Serum by Second-derivative Synchronous Absorption Spectrometry After Liquid—Liquid Extraction and Fluorescence Spectrometry, 877 Micro-volume Back-extraction, 1929 Determination of Lithium at Ultratrace Levels in Biological Fluids by BLOOD Flame Atomic Emission Spectrometry. Use of First-derivative Indirect Atomic Absorption Spectrometric Determination of Sulfate Spectrometry, 1373 in Human Blood Serum, 413 BIOLOGICAL INDICATOR Comparative Study of Certified Reference Materials and Quality Mercury Determination by Cold Vapour Atomic Absorption Control Materials for the Quality Assurance of Blood-lead Spectrometry in Several Biological Indicators From Lake Determination, 419 Maracaibo, Venezuela, 645 Speciation of Mercury in Human Whole Blood by Capillary Gas BIOLOGICAL MATERIAL Chromatography With a Microwave-induced Plasma Emission Determination of Lead in Plant Tissues: A Pitfall due to Wet Detector System Following Complexometric Extraction and Digestion Procedures in the Presence of Sulfuric Acid, 23 Butylation, 657 Development and Evaluation of Analytical Methodology for the Determination of Blood Lead in Dried Blood-spot Specimens by Determination of Aflatoxins in Palm Kernels, 67 Zeeman-effect Background Corrected Atomic Absorption Rapid and Simple Method for the Determination of Copper, Spectrometry, 959 Manganese and Zinc in Rat Liver by Direct Flame Atomic Determination of Femtomole Concentrations of Catecholamines by Absorption Spectrometry, 141 High-performance Liquid Chromatography With Peroxyoxalate Indirect Atomic Absorption Spectrometric Determination of Sulfate Chemiluminescence Detection, 1863 in Human Blood Serum, 413 BLOOD LEAD Comparative Study of Certified Reference Materials and Quality Comparative Study of Certified Reference Materials and Quality Control Materials for the Quality Assurance of Blood-lead Control Materials for the Quality Assurance of Blood-lead Determination, 419 Determination, 419 Determination of Aluminium-26 Using a Low-level Liquid Determination of Blood Lead in Dried Blood-spot Specimens by Scintillation Spectrometer, 435 Zeeman-effect Background Corrected Atomic Absorption Speciation of Trace Elements in Biological Materials: Trends and Spectrometry, 959 Problems, 555 BLOOD PLASMA Mercury Determination by Cold Vapour Atomic Absorption Determination of Femtomole Concentrations of Catecholamines by Spectrometry in Several Biological Indicators From Lake High-performance Liquid Chromatography With Peroxyoxalate Maracaibo, Venezuela, 645 Chemiluminescence Detection, 1863 Speciation of Mercury in Human Whole Blood by Capillary Gas BLOOD SERUM Chromatography With a Microwave-induced Plasma Emission Indirect Atomic Absorption Spectrometric Determination of Sulfate Detector System Following Complexometric Extraction and in Human Blood Serum, 413 Butylation, 657 Preliminary Study of the Effects of Some Physical Parameters on the BOILING-POINT Stability of Methylmercury in Biological Samples, 665 Characterization of High- and Non-boiling Crude Oil Fractions— Simultaneous Determination of Acetylsalicylic Acid and Its Major Invited Lecture, 305 Metabolites in Human Serum by Second-derivative Synchronous BORON Fluorescence Spectrometry, 877 Linear Titration Plot for the Determination of Boron in the Primary Determination of Blood Lead in Dried Blood-spot Specimens by Coolant of a Pressurized Water Reactor, 199 Zeeman-effect Background Corrected Atomic Absorption Spectrofluorimetric Determination of Boron in Soils, Plants and Spectrometry, 959 Natural Waters With Alizarin Red S, 1189 Determination of Nickel in Biological Materials After Microwave BRETYLIUM Dissolution Using Inductively Coupled Plasma Atomic Emission lon-selective Electrodes for the Determination of the Antiarrhythmic Spectrometry With Prior Extraction into Butan-1-ol, 1157 Drug Bretylium, 1609