IS 11215: Moisture content of timber and timber products- Methods for determination

11 Pages·1991·1.3 MB·English

by  Bureau of Indian Standards

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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 11215 (1991): Moisture content of timber and timber
products- Methods for determination [CED 9: Timber and
Timber Stores]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

Indian Standard
MOISTURE CONTENT OF TIMBER AND
TIMBER PRODUCTS - METHODS FOR
DETERMINATION
4 First Revision )
UDC 674543.812

@ BIS 1991
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
September 199 1 Price Group 3
rebmiT lanoitceS ,eettimmoC CED 9
FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb eht rebmiT lanoitceS eettimmoC had neeb devorppa yb eht liviC gnireenignE
noisiviD .licnuoC
sihT standard was tsrif dehsilbup ni 1985. desaB no eht ecneirepxe deniag ni eht esu fo this standard,
this noisiver has neeb thguorb .tuo ehT rojam segnahc edulcni noitacifidom ni sampling esualc and
noitaroprocni fo esualc no seiceps noitcerroc nehw eht erutsiom tnetnoc is denimreted yb lacirtcele
erutsiom retem .dohtem
sihT standard syal nwod eht serudecorp ot enimreted eht erutsiom ni rebmit and rebmit stcudorp yb
eht yrotarobal and dleif stset and is dednetni ot eb desu ni noitcnujnoc htiw SI 287 : 1991 -moceR‘
snoitadnem rof elbissimrep erutsiom tnetnoc fo rebmit desu rof tnereffid sesoprup ( driht noisiver .‘)
erehT era a rebmun fo sdohtem rof gnitset erutsiom tnetnoc fo sawn rebmit and rebmit ,stcudorp and
a eciohc fo dohtem has ot eb edam gnidrocca ot eht snoitidnoc rednu hcihw gnitset is eh>,enod
noisicerp ,derised and semitemos neve eht ralucitrap seiceps fo rebmit ot eb .detset ehT nolslcerp
deveihca yb yna dohtem ,sdneped sediseb eht tcerroc noitceles fo a yllacitsitats evitatneserper ,elpmas
nopu eht apparatus desu and eht rotarepo as hcum as nopu eht .dohtem oN noitcnitsid is, ,erofereht
thguos ot eb edam ni this drager ni eht status fo eht eerht sdohtem fo erutsiom tnetnoc noitanimreted
laid nwod ni this standard, ,yleman eht ,gniyrd-nevo eht lacirtcele erutsiom retem and eht noitallitsid
.sdohtem
gniredisnoC eht tneserp level fo tnempoleved fo suonegidni lacirtcele erutsiom sretem and kcal fo
seiceps and erutarepmet noitcerroc data, ti is dednemmocer rof ytilibailer ot syawla troppus erutsiom
retem stnemerusaem edam ni dleif htiw detimil gniyrd-nevo stnemerusaem ni eht .yrotarobal At eht
emas ,emit ti is ot eb dezingocer that rednu eht snoitidnoc ni gnikrow-doow seirotcaf erehw eht
yrotsih fo eht raw lairetam ro tcudorp at tnereffid noitcudorp stages is yllausu ;nwonk and ylralucitrap
rof dehsinif ,stcudorp ereht is on retteb etutitsbus rof eht lacirtcele dohtem rof kciuq evitcurtsed-non
gnikcehc fo erutsiom ,tnetnoc niatreC doow seiceps ekil ,radoed gniniatnoc elitalov ,slio od ton evig
elbailer stluser yb eht gniyrd-nevo .dohtem esehT llac rof noitanimreted yb eht noitallitsid dohtem Jof
elbailer data. lacirtcelE erutsiom retem sreffo eht lacitcarp evitanretla fi desu htiw noitcerroc serugif
denimreted against eht noitallitsid dohtem rof hcus .seiceps
ehT sdohtem debircsed niereh era dednetni yllacificeps rof gnitset fo rebmit and rebmit ,stcudorp
With eht noitpecxe fo eht noitallitsid ,dohtem eht sdohtem debircsed ni this standard od ton eriuqer

etarobale apparatus ro lacinhcet skill. esehT era elbatius erehw erutsiom tnetnoc gnitset is a enituor
,ecitcarp rof ,elpmaxe ni rebmit ,stoped gnikrow-doow ,seirotcaf nlik gniyrd stnemhsilbatse and rebmit
gnissecorp .seirtsudni
nI gnitroper eht stluser fo a tset ro- sisylana edam ni ecnadrocca htiw this standard, fi eht lanif ,eulav
devresbo ro ,detaluclac is ot eb dednuor ,ffo ti shall eb e-nod ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof
gnidnuor ffo laciremun seulav ( revised )‘.
IS 11215-t1 991
Indian Standard
MOISTURECONTENTOFTIMBl?RAND
TIMBERPRODUCTS-METHODSFOR
DETERMINATION
fF irst Revision
)
1 SCOPE 4.2.2 nI esac fo rebmit fo mrofinu seiceps and
,noitces-ssorc eht rebmun fo samples detceles
1.1 sihT standard srevoc eht gniwollof sdohtem shall eb as :swollof
rof noitanimreted fo erutsiom tnetnoc fo rebmit
and rebmit :stcudorp 4 At tsael 3 samples morf stol fo emulov up
ot 5 ma,
)a gniyrd-nevO ,dohtem
b) At tsael 2 samples rof yreve 5 stol-m fo
)b lacirtcelE erutsiom retem ,dohtem and emulov gnignar evoba 5 ms and up ot
)c noitallitsiD .dohtem 50 ,3m and
c>
2 REFERENCES At tsael 20 samples rep hcae 50 ma tub
ton erom than 100 3m tuo fo hcae ,tol
2.1 ehT gniwollof naidnI Standards era eht morf eht stol fo emulov erom than 50 .3m
yrassecen stcnujda ot this standard:
NOTE - roF rebmit ni ,skcats gnilpmas llahs -erp
eltiT ylbaref eb enod ylneve gnola eht dilos lanogaid fo
IS No.
‘tht ,skcats esiwrehto modnar gnilpmas llahs eb .enod
707 : 1976 yrassolG fo smret elbacilppa ot ehT rebmun fo selpmas detceles ni rehtie esac llahs
rebmit ygolonhcet and -azilitu eb eht emas sa deificeps ni 4.2.2.
noit ( secpgd revision ) 4.2.3 nI esac fo rebmit stcudorp ot eb detset yb
1839 : 1961 noitacificepS ’ rof ,eneulot -gaer gniyrd-nevo ,dohtem samples shall eb detceles
tne edarg as :swollof
4905 : 1968 sdohteM fo modnar sampling )a At tsael 3 samples morf stol gniniatnoc
up ot 200 ,seceip
3 TERMINOLOGY )b At tsael 2 samples rof hcae 200 seceip
3.1 roF eht esoprup fo this standard, eht -inifed morf stol gniniatnoc revo 200 and up ot
snoit nevig ni SI 707 : 1976 shall .ylppa 1 000 ,seceip and
)c At tsael 10 samples rep hcae 1 000 seceip
4 DETERMINATION OF MOISTURE tub ton erom than 50 tuo fo hcae tol
CONTENT BY OVEN-DRYING METHOD morf stol gniniatnoc erom than 1000
.seceip
4.1 General
4.1.1 ehT gniyrd-nevo dohtem is eht tsom 4.3 Apparatus
elbailer rof gninimreted eht erutsiom tnetnoc )a selacS htiw gnihgiew ycarucca fo 10 ,gm
fo rebmit and rebmit ,stcudorp tpecxe erehw
b) detalitneV and ylbareferp -itatsomreht
niatrec rebmit seiceps gniniatnoc elitalov slio
yllac dellortnoc nevo rof gniyrd rebmit
( ekil radoed ) era .devlovni ehT dohtem is,
at 103 _tr 2”C,
,revewoh emit gnimusnoc and seriuqer gnittuc
fo eht rebmit ot eb .detset 4 srotacciseD htiw suordyhna muiclac
edirolhc ( BICaC ) ro surohpsohp -tnep
4.2 Sampling ,edixo and
4.2.1 tseT samples shall eb detceles hcihw era 4 elbalaeS gnihgiew .selttob
evitatneserper fo eht ,seiceps ,snoisnemid ytilauq
and erutsiom stnetnoc ni eht .tol ehT rebmun 4.4 Test Specimens
fo samples ot eb detset sdneped nopu eht ezis 4.4.1 tseT snemiceps gnitsisnoc fo a -ssorc
fo eht tol and eht snoitairav that ,era ro era ,noitces 15 mm ot 20 mm gnol ni eht noitcerid
ylekil ot eb tneserp ni its ,noitisopmoc ytilauq fo eht ,niarg eerf morf all ,stcefed shall~be tuc
and erutsiom tnetnoc neewteb eht laudividni morf hcae elpmas detceles rof stset ni -drocca
.seceip roF modnar sampling dohtem SI 4905 : ecna htiw 4.4.2 ot 4.4.5. nI esac fo rebmit -orp
1968 yam eb derrefer .ot ehT samples shall eb ,stcud eht tset nemiceps shall eb tuc morf eht
detceles as .swollof noitrop fo eht mumixam .noitces-ssorc
1
IS 11215 : 1991
fI gnihgiew nac eb enod ,yletaidemmi fo eht tset nemiceps and eht tsrif ,gnihgiew and
4.4.2
eht tset snemiceps shall eb tuc morf a tniop at neewteb eht lavomer morf eht nevo and -esbus
tsael 450 mm morf eno dne fo eht elpmas ro tneuq .sgnihgiew
morf its .ertnec
4.5.5 rebmiT seiceps gniniatnoc evissecxe
4.4.3 fI gnihgiew tonnac eb enod ,yletaidemmi stnuoma fo elitalov slio shall eb detset yb eht
a eceip fo 300 mm gnol shall eb tuc at a -tsid noitallitsid dohtem debircsed ni 6.
:ecna ton less than 4.50 mm morf eno dne fo
4.6
eht elpmas ro morf its .ertnec sihT eceip shall Borings
eb detcetorp morf segnahc ni erutsiom -tnoc nI ,esac gnittuc fo nemiceps morf eht detceles
tne yb gnipparw ni dexaw ,repap enehtylop samples is ton ,elbissop eht erutsiom tnetnoc
gniteehs ro muinimula liof and derots ni a looc ni eht elohw elpmas yam eb denimreted yb
and yrd .ecalp nihtiW 24 sruoh eht tset -iceps gnitcelloc sgnirob ot a htped fo flah eht -kciht
nem as nevig ni 4.4.1 shall eb tuc morf eht ness fo hcae elpmas ( deniatbo yb snaem fo an
ertnec fo this .eceip regua ) ni dehgiewerp gnihgiew .selttob ehT
sgnirob shall eb deniatbo morf a ecnatsid fo at
4.4.4 fI eht samples era less than 1 m ,gnol eht
tsael 450 mm morf rehtie dne fo eht samples
tset snemiceps shall eb tuc morf rieht .ertnec
ro morf rieht .ertnec fI eht samples era less
4.4.5 nI esac eht rebmit elpmas is erom than than 1 m ,gnol eht sgnirob shall eb detcelloc
75 mm ni ,ssenkciht eht lluf eceip as tuc ni morf rieht .ertnec ehT mass fo sgnirob morf a
ecnadrocca htiw 4.4.1 dluohs eb rehtruf tuc elpmas shall ton eb less than fI ti is less,
! 0 g.
otni eerht seceip and erutsiom tnetnoc fo eseht 2 ro 3 sgnirob morf an lacitnedi noitacol ni a
eerht ,seceip taking meht as a elgnis ,tinu shall elpmas shall eb detcelloc ni eht emas gnihgiew
eb .nekat .elttob ehT erudecorp rof gnihgiew and -nevo
gniyrd fo sgnirob shall eb eht emas as debircsed
4.5 erudecorP rednu 4.5.
4.5.1 yletaidemmI retfa hcae tset nemiceps is 4.7
Calculation
tuc and esool sretnilps and saw dust era -vomer
de yb brushing ro ,gniparcs ti shall eb dehgiew 4.7.1 ehT erutsiom tnetnoc fo hcae elpmas shall
tcerroc ot 0.01 g fi its mass is less than 50 g and eb denimreted yb eht gniwollof :alumrof
1-O g fi eht mass is 50 g ro .revo fI etaidemmi
= -_ w$!“_ i
gnihgiew is ton ,elbissop hcae tset nemiceps M x 100
shall eb derots ni a ,etarapes ,dehgiew-erp
0
delaes gnihgiew ,elttob and gnihgiew detelpmoc
erehw
nihtiw an fo.ruoh .egarots
erutsiom tnetnoc ( tnecrep ,)
M =
4.5.2 ehT dehgiew tset snemiceps shall eb -nevo
laitini mass fo tset nemiceps
deird at 103 * 2°C rof a tneiciffus ,doirep Wi =
( ni g ,) and
yllausu 81-21 sruoh and owt ro eerht lortnoc
seceip shall neht eb dehgiew and denruter ot w, = yrd-nevo mass fo tset nemiceps
eht nevo rof rehtruf .gniyrd evisseccuS mass fo
( ni g -)
eseht lortnoc seceip shall neht eb nekat retfa

yreve 3-2 .sruoh nehW segnahc ni evisseccus ehT detaluclac seulav shall eb dednuor ffo to
mass esaec ot eb less than 0.02 g rof tset -iceps eht tsrif ecalp fo .lamiced
snem gnivah laitini mass less than 50 g, and
4.7.2 ehT egareva fo erutsiom tnetnoc fo all eht
less than 0.1 g rof tset snemiceps htiw laitini
samples morf eht tol detset shall eb detroper
mass revo ro lauqe ot 50 g, all eht tset -iceps
tcerroc ot eht tseraen elohw rebmun yb eht
snem shall eb deredisnoc ot evah neeb -elpmoc
gniwollof alumrof rof gnikcehc ytimrofnoc fo a
ylet .deird-nevo ehT yrd-nevo mass fo all eht
tol ot eht stnemeriuqer fo eht tnaveler -iceps
tset ,snemiceps shall won eb denimreted yltcerid
:noitacif
retfa gnivomer morf eht ,nevo ro retfa gnilooc
n
meht ni srotaccised ot raen moor erutarepmet
fi retteb ycarucca is .derised ehT noisicerp fo CM
gnihgiew debircserp rednu 4.5.1 shall eb -resbo
lVI !-
dev rof yrd-nevo masses .osla
n
erehw
4.5.3 oN hserf tset snemiceps gnignoleb ot
rehtona tol shall eb otnidedaol eht gniyrd nevo AZ= egareva erutsiom tnetnoc ( -rep
nehw tset snemiceps morf eht tol gnieb detset tnec ,)
era ylraen yrd and ydaer rof noitanimreted fo M= erutsiom tnetnoc fo laudividni
rieht yrd-nevo masses. samples ( tnecrep ,) and
4.5.4 taerG erac shall eb nekat ot tneverp yna n= rebmun fo samples detceles morf
egnahc ni erutsiom tnetnoc neewteb eht gnittuc eht .tol
2
IS 11215 : 1991
5 DETERMINATION OF MOISTURE 5.4 Sam~pling
,CONTENT BY ELECTRICAL MOISTURE ehT elpmas ni this esac shall tnuoma ot at tsael
METER METHOD 5 tnecrep fo eht seceip morf eht tol tub ton
gnideecxe 50 .seceip ehT elpmas shall eb nekat
5.1 General
ylneve gnola eht lanogaid ni esac fo sawn
rebmit derots ni ,selip esiwrehto modnar sampl-
5.1.1 lacirtcelE erutsiom sretem era a ,tcerid
gni shall eb .enod roF modnar sampling
,kciuq tneinevnoc and evitcurtsed-non snaem
fo gninimreted erutsiom tnetnoc fo rebmit and ,dohtem SI 4905 : 1968 yam eb derrefer .ot
rebmit .stcudorp esehT era fo laiceps eulav
NOTE - roF rebmit ni ,skcats gnilpmas llahs -.referp
ni dleif snoitcepsni and rof gnikcehc fo dehsinif ylba eb enod ylneve gnoia eht dilos lanogaid fo eht
rebmit .stcudorp esuaceB fo eht dipar -erusaem ,kiats ,esi\\rehto ?nodnai gnilpmas llahs eb .enod
,stnem and on ssol fo lairetam yb this ,dohtem ehT rebmun fo selpmas detceles ni rehtit esac llahs
eb sa debircserp ni 5.4.
erom evisnetxe gnikcehc is elbissop than -rep
dettim yb eht gniyrd-nevo .dohtem 5.5 Procedure
5.1.2 ehT lacirtcele erutsiom sretem era elbapac 5.5.1 ehT retem sgnidaer shall eb nekat at eerht
snoitces gnola eht htgnel ni eht elddim htdiw
fo gnidaer erutsiom tnetnoc ot an ycarucca
fo hcae ecaf fo yreve .elpmas owT srotces shall
fo & 2 tnecrep etulosba nihtiw eht egnar 8 ot
eb derusaem at a ecnatsid fo 450 mm morf eht
24 tnecrep erutsiom tnetnoc ( hcihw srevoc eht
sdne and eht driht eno at dim htgnel fo eht
egnar fo denosaes rebmit ) nehw etairporppa
.elpmas fI eht htgnel fo eht elpmas is 1 m ro
snoitcerroc era deilppa rof eht rebmit seiceps
less, sgnidaer shall eb edam at dim htgnel ylno
and ,erutarepmet and ~a11 yrassecen snoituacerp
no hcae .ecaf
ni esu era .nekat esehT ,era ,erofereht ton as
esicerp and foorp-loof as eht nevo gniyrd 5.5.2 roF rebmit revo 50 mm ni ,ssenkciht -daer
,dohtem and data deniatbo yb meht no a erom ings shall eb nekat as ni 5.5.1 no all eht secaf
evisnetxe elacs yam semitemos deen ot eb fo hcae .elpmas
detroppus yb detimil gnitset ni eht yrotarobal
yb eht gniyrd-nevo .dohtem 5.5.3 ehT rebmit ot eb detset shall ton :eb )a(
,toh )b( ecafrus ,tew )c( nekat yltcerid morf
5.2 Types of Electrical Moisture Meters eht ,nlik and )d( detniap ro evitavreserp detaert
htiw sdnuopmoc gniniatnoc cinagroni sub-
5.2.1 fO eht owt sepyt fo lacirtcele sretem ,secnats as rednu hcus secnatsmucric ecna?siser
yllaicremmoc ,elbaliava ,yleman lacirtcele -siser retem sgnidaer era elbail ot eb ylssorg -edani
ecnat sretem and ecnaticapac ,sretem eht .etauq
ecnatsiser sretem era elbareferp as rieht -daer
5.5.4 edortcelE pins fo etauqeda htgnel shall eb
ings ela detceffa ot a ressel tnetxe yb eht
detceles rof eht ssenkciht fo rebmit rednu ,tset
larutan noitairav fo ytisned nihtiw eht ralucitrap
that is, ot eborp up ot a htped ton less than
seiceps gnieb .detset
htfif-eno eht fo-ssenkciht rebmit tub ylbareferp
up ot flah eht .ssenkciht

5.2.2 ehT ecnatsiser sretem era dedivorp htiw
dekan nip sedortcele ro sedortcele ni hcihw eht 5.5.5 Readings at suoirav shtped otni eht
pins era derevoc htiw a gniraew-drah noitalusni noitces shall tsrif eb nekat no a wef samples ot
gnitaoc tpecxe at rieht tips. ehT dekan nip niatrecsa eht ecneserp fo ’egral‘ erutsiom -idarg
sedortcele retsiger eht mumixam erutsiom -noc stne ro a tew eroc erutsiom( tnetnoc 20 tnecrep
tnet fo rebmit gniliaverp yna erehw nihtiw rieht ro evoba ) ro a desrever erutsiom tneidarg
htped fo .noitresni ehT detalusni nip sedortcele ecafrus( rettew than eht eroc .) erutsioM -idarg
no eht rehto hand elbane tops gnikcehc fo stne shall eb nekat ot eb ’egral‘ fi eht ecnereffid
erutsiom tnetnoc at yna ralucitrap htped fo fo sgnidaer at htfif-eno and flah eht ssenkciht
noitresni otni eht :rebmit edortcelE pins fo fo a elpmas sdeecxe ruof tnecrep etulosba nj
gniyrav shtgnel era yllareneg dedivorp rof esu rebmit up ot 40 mm kciht and neves tnecrep
htiw rebmit fo tnereffid egnar fo .sessenkciht etulosba ni rebmit 40 ot 65 mm .kciht
5.3 Apparatus 5.5.6 fI ecneserp fo eht noitidnoc deliated
ni 5.5.5 is ,demrifnoc eht retem sgnidaer tonnac
ecnatsiseR epyt retem htiw edortcele pins fo eb nekat as elbailer setamitse fo eht egareva
elbatius shtgnel and htiw seiceps noitcerroc erutsiom tnetnoc ni eht elohw ,noitces tub ylno
and erutarepmet noitcerroc strahc rof eht fo eht mumixam erutsiom tnetnoc gniliaverp
seiceps ot eb detset shall eb .desu ehT retem nihtiw eht htped fo noitresni fo pins ni esac fo
shall eb elbapac fo gnidaer erutsiom tnetnoc ot sretem dedivorp htiw dekan nip ,sedortcele ro
.an ycarucca fo 5 2 tnecrep etulosba nehw fo eht tops erutsiom tnetnoc gniliaverp at eht
etairporppa snoitcerroc and snoituacerp era htped fo noitresni ni esac fo sretem dedivorp
.dewollof htiw detalusni nip .sedortcele
3
1991:51211SI
5.5.7 fI ecneserp fo eht noitidnoc deliated elitalov-non slacimehc that era ylekil ot -retni
rednu 5.5.5 is ,detagen sgnidaer at htfif-eno eref htiw eht tcerroc noitanimreted fo erutsiom
ssenkciht shall eb nekat as evitatneserper fo eht tnetnoc yb gniyrd-nevo ro lacirtcele erutsiom
egareva ni eht elohw .noitces retem .sdohtem ehT dohtem seriuqer etarobale
yrotarobal tnempiuqe and lacinhcet skill.
5.5.8 seicepS ,snoitcerroc denimreted-erp aga-
inst eht gniyrd-nevo ,dohtem !lahs eb deilppa ot 6.2 Sampling
eht retem sgnidaer rof eht seiceps rednu tset ni gnilpmaS shall eb enod as debircserp rednu 4.2.
redro ot evirra at eht tcerroc erutsiom -tnoc
6.3 Test Specimens
.stne
ehT tset snemiceps ro sgnirob shall eb nekat
5.6 Calculations morf eht tol as debircserp rednu 4.4 and 4.6,
5.6.1 ehT egareva erutsiom tnetnoc fo hcae and shall eb decuder ot chips,saw dust, ro -rehto
elpmas shall eb detaluclac yb eht gniwollof ylenif dedivid .mrof esehT shall eb tpek ni
:alumrof delaes dehgiewerp gnihgiew .selttob
6.4 Apparatus
lL
_- - a> noitallitsiD ksalf htiw tceridni ,gnitaeh
M ‘p ,tnemegnarra
erehw )b dloC delooc-retaw resnednoc fo eht Icloc
regnif epyt ( ees .giF 1 ,)
egareva erutsiom tnetnoc fo elpmas
M=:
( tnecrep ,) retaW ,part
1y1 - detcerroc erutsiom retem gnidaer selacS fo ycarucca 10 ,gm and
ni yna rotces fo elpmas ,)tnecrep( elbalaeS gnihgiew .selttob
and
II
P zs rebmun fo srotces .derusaem
ehT detaluclac eulav shall eb dednuor ffo ot eht
tseraen elohw .rebmun
5.6.2 ehT egareva fo erutsiom tnetnoc fo all
samples detset morf a tol is detaluclac yb eht
alum_Mf rof gnikcehc ytimrofnoc fo a tol ot eht
stnemeriuqer fo eht tnaveler :noitacificeps
: 1M
a=+-
erehw
iG+l = degareva erutsiom tnetnoc ( -rep II _‘,,,/
\mmit9t /
tnec ,) 62%IJ” mm

M= erutsiom stnetnoc fo laudividni
samples ( tnecrep ,) and 5P51-P5 0
ZI = rebmun fo samples detceles morf
eht .tol
5.7 Acceptance of Results i
57.1 erehW net tnecrep ro erom fo eht latot 3 INDENTATIONS 1:7 0mm
rebmun fo samples detset wohs sgnidaer evoba
eht elbatpecca timil fo mumixam erutsiom -noc I
n
,tnet hcus samples shall eb rehtruf detset yb
eht gniyrd-nevo ro noitallitsid sdohtem nevig 51mmOD--/1 ) 1
ni 4 and 6 rof gnimrofnoc rieht erutsiom -noc
.stnet
24140 ST
5.7.2 llA setupsid gninrecnoc eht erutsiom ,-noc
tnet shall eb dediced yb eht gniyrd-nevo and
noitallitsid .dohtem
6 DETERMINATION OF MOISTURE
CONTENTS BY DISTILLATION METHOD
6.1 General
500 ml
sihT dohtem is desu rof seiceps ekil radoed
gniniatnoc elitalov lio ro .sevitcartxe tI is osla
desu rof rebmit detangerpmi htiw elitalov ro
FIG. 1 ~DISTILLATIONA PPARATUS
4
dradnatS Mark
ehT esu of the dradnatS Mark si denrevog yb the snoisivorp of the uae~rB Q/” Ztuliurl
Stmtlurtls Act, lY86 dna the seluR dna snoitalugeR edam .rednuereht ehT dradnatS Mark no
stcudorp derevoc yb na naidnI dradnatS syevnoc the ecnarussa that yeht evah neeb decudorp
ot ylpmoc htiw the stnemeriuqer of that dradnats rednu a llew denifed metsys of ,noitcepsni
gnitset dna ytilauq lortnoc hcihw si desived dna desivrepus yb SIR dna operated yb the
.recudorp dradnatS dekram stcudorp are osla ylsuounitnoc checked yb SIB for ytimrofnoc
ot that dradnats as a rehtruf .draugefas sliateD of snoitidnoc rednu hcihw a ecnecil for the
esu of the dradnatS Mark yam eb detnarg ot srerutcafunam or srecudorp yam eb deniatbo
morf the uaeruB of naidnI .sdradnatS