IS 13673-3: Expression of performance of electrochemical analyzers, Part 3: Electrolytic conductivity

24 Pages·1993·1.9 MB·English

by  Bureau of Indian Standards

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IS 13673-3 (1993): Expression of performance of
electrochemical analyzers, Part 3: Electrolytic
conductivity [ETD 18: Industrial Process Measurement and
Control]
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'lS13673( Part3): 1993

Indian Standard
.<.
EXPRESSIONOFPERFORMANCEOF
ELECTROCHEMICALANALYZERS
PART 3 ELECTROLYTK CONDUCTIVITY
UDC 621.35435 : 543.133.08

6 BIS 1993
BUREAUOFINDIANSTANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
Sep temher 3991 Price poorG 8
cinortcelE gnirusaeM tnempiuqE lanoitceS ,eettimmoC DTL 21
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht
cinortcelE gnirusaeM tnempiuqE lanoitceS eettimmoC had neeb devorppa yb eht scinortcelE and
noitacinummoceleT noisiviD .licnuoC
sihT standard is dednetni ot yficeps eht ,ygolonimret ,snoitinifed stnemeriuqer rof stnemetats yb -unam
srerutcaf and ecnamrofrep stset rof ,srezylana rosnes units and cinortcele units desu rof eht -imreted
noitan fo citylortcele ytivitcudnoc fo suoeuqa .snoitulos
elihW gniraperp this standard ( traP 3 ,) assistance has neeb devired morf CEI buP 3-647 ( 198.5 )
noisserpxE‘ fo ecnamrofrep fo lacimehcortcele srezylana - traP 3 : citylortcelE ,’ytivitcudnoc issued
yb eht lanoitanretnI lacinhcetortcelE noissimmoC ( CEI .)
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 enod ni ecnadrocca htiw SI 2 : 1960 ‘ seluR rof
gnidnuor ffo laciremun seulav (
revised )‘.
IS 13673 ( Part 3 ) : 1993
Indian Standard
EXPRESSIONOFPERFORMANCEOF
ELECTROCHEMICALANAI_i.YZERS
PART 3 ELECTROLYTIC CONDUCTIVITY
1 SCOPE tI si lausu ot erusaem citylortcele ytivitcudnoc yb
snaem of sllec tuohtiw a mrofinu ,noitces-ssorc ni
1.1 sihT dradnats syal nwod ecnamrofrep tests dna
hcihw case the tneitouq A/l dluohs eb denimreted yb
stnemeriuqer for stnemetats yb srerutcafunam of
snaem of a ecnerefer noitulos of nwonk citylortcele
,srezylana rosnes stinu dna cinortcele stinu desu for the
.ytivitcudnoc ehT tneitouq A/l si dellac the llec
noitanimreted of citylortcele ytivitcudnoc of suoeuqa
.tnatsnoc
.snoitulos
tA the edortcele secafrus noitaziralop anemonehp nac
2 REFERENCES rucco hcihw ecneulfni the derusaem .ytitnauq oT diova
2.1 The ifaidnI dradnatS detsil woleb si a yrassecen siht error, tnereffid gnirusaem sdohtem nac eb :deilppa
tcnujda ot siht dradnats : 1) CA stnemerusaem htiw a ycneuqerf hgih
IS No. eltiT hguone ot diova noitaziralop effects,
13673 (Part 1) : noisserpxE of ecnamrofrep of 2) ruoF edortcele stnemerusaem htiw ‘separated
1993 lacimehcortcele srezylana : tnerruc gnitropsnart dna laitnetop gnirusaem
Part 1 lareneG ,sedortcele dna
3) evitcudnI or eviticapac stnemerusaem yb
3 DEFINITIONS
gnilpuoc neewteb the citylortcele rotcudnoc
3.0 See 3 of SI 13673 (Part 1) : 1992 sulp thk .gniwollof
dlia the lacirtcele gnirusaem tiucric hguorht
3.1 citrjlortcelE ecnatcudnoC evitcudnoc-non .aidem
ehT tnerruc dedivid yb the laitnetop ecnereffid si nI each case the pihsnoitaler neewteb the citylortcele
denifed as citylortcele ecnatcudnoc ni the case of cinoi ytivitcudnoc dna the derusaem tuptuo ytitnauq si -batse
charge .tropsnart dehsil yb the llec .tnatsnoc
G-i 3.3 Cell Constant of the Sensor Unit
.4 ehT pihsnoitaler neewteb citylortcele ecnatcudnoc dna
where citylortcele ytivitcudnoc si denifed yb the :noitauqe
Z si the tnerruc hguorht ,etylortcele ni ;serepma .]&K-X G . ..(4)
U si the laitnetop ecnereffid deilppa across the where
sedortcele ni ;stlov dna x si the citylortcele ,ytivitcudnoc ni ;l-m.S
G si the citylortcele .ecnatcudnoc G si the citylortcele ,ecnatcudnoc ni ;snemeiS

ehT tinu of citylortcele ecnatcudnoc si the snemeiS (S). dna

citylortcelE ecnatsiser si the lacorpicer of citylortcele K ce,l si the llec ,tnatsnoc ni l-m ni ecalp fo llec
ecnatcudnoc htiw mho (S2) as the tinu of .tnemerusaem .ecnatcudnoc
3.2 citylortcelE ytivitcudnoC llecehT--ETON lliwtnatsnoc yllamron evah tnatsnoca
eulav revo a detats egnar ees( 4.1). edistuO siht egnar ti
citylortcelE ,ytivitcudnoc ylremrof dellac cificeps -noc dluohs eb detcepxe taht noitaziralop stceffe lliw ecudorp
,ecnatcud si denifed yb the :noitauqe .srorre
3.4 erutarepmeT tneiciffeoC
ehT evitaler esaercni (or decrease) of the citylortcele
where ytivitcudnoc of a noitulos per degree nivlek -arepmet
erut .egnahc ehT erutarepmet tneiciffeoc si ylgnorts
j si the cirtcele tnerruc ,ytisned ni ;,2bm.A dna
tliedneped no the .noitacilppa
E si the cirtcele dleif ,htgnerts ni .l-m.V
ehT gniwollof noitauqe nac eb :deilppa
ehT tinu of citylortcele ytivitcudnoc si .‘-m.S
xt
citylortcelE ytivitsiser si the lacorpicer of citylortcele . )S(..
ytivitcudnoc htiw stinu of mho retem (S2,). nI the case )fAu+l(=r’X
of na citylortcele rotcudnoc of a mrofinu Anoitces-ssorc where
dna Z dna na citylortcele ecnatcudnoc G (see 3.1). eW evah tx si the citylortcele ytivitcudnoc at erutarepmet ,I
xc! ,xt, si the citylortcele ytivitcudnoc at a ecuerefer
. ..(3)
=A e&arepmet fr,
IS 13673 ( Part.3 ) : 1993
tA si the erutarepmet ecnereffid t-tr, dna g) mumixaM egatloV ssorcA the .rosneS
a si the erutarepmet .tneiciffeoc 4.3 Additional Statements on Complete Analyzers
ehT tinu of erutarepmet tneiciffeoc si .l-K )a ytivitcudnoC gnirusaeM segnaR (Rated dna
nI ,ecitcarp siht alumrof si yltneiciffus etarucca revo a .)evitceffE
llams erutarepmet .egnar roF egral erutarepmet segnar )b ecnerefeR erutarepmeT for the .elpmaS
ti si yllausu yrassecen ot add rehgih smret of a -onylop
4 erutarepmeT tneiciffeoc or erutarepmet -iffeoc
ianim seires hcus as b 2)fA( + y #A( + . . . . . . . . ot -auqe
tneic egnar desu ni the erutarepmet -asnepmoc
noit (S), ot niatbo tneiciffus .ycarucca ehT egatnecrep
.noit
erutarepmet ,tneiciffeoc hcihw si the egatnecrep -aler
jd tnemtsujdA egnaR for lleC .tnatsnoC
evit noitaived per degree nivlek morf the ecnerefer
eulav xt, si netfo desu so :taht e) citylortcelE ytivitcudnoc ro/dna noitisopmoc of
noitulos desu for erutarepmet .noitasnepmoc
=)%(a 100a . ..(6)
3.5 Common Mode Input Voltage 5 RECOMMENDED STANDARD VALUES AND
RANGES OF INFLUENCE QUANTITIES
Avoltage that si deilppa ot htob tupni slanimret at the AFFECTING THE PERFORMANCE OF
emas .emit
ELECTRONIC UNITS
3.6 tupnI nommoC Mode noitcejeR oitaR (CMRR) See 5 of SI 13673 (Part 1) : 1993.
ehT oitar of the tupni egatlov egnar ot the mumixam 6 VERIFICATION OF VALUES
egnahc ni tupni offset egatlov revo siht .egnar
See 6 of SI 13673 (Part 1 ) : 1993 sulp the .gniwollof
4 ERUDECORP ROF TNEMETATS
6.1 lareneG
4.0 See 4 of SI 13673 (Part 1) : 1993 sulp the :gniwollof
gniruD stnemerusaem htiw erom naht eno test ,noitulos the
ETON - pu-mraW emit tnemetats si ton deriuqer rof
rosnes tinu tnemfaert debircsed ni 6.1.1 si ot eb desu :rof
rosnes .stinu roF etelpmoc ,srezylana tnemetats no -mraw
up emit srefer ylno ot cinortcele stinu dna si detadilav sa ytiraenil- error, fi ;elbacilppa
ni SI 13673 traP( 1) : 1993. ytilibataeper- ;rorre
4.1 Statements on Sensor Units ytilibats- ;rorre dna
)a lleC .tnatsnoC erutarepmet- effect no the rosnes .tinu
)b erutarepmeT uoitasnepmoC ,egnaR fi -pa nehW gnisu a rosnes tinu of eno rerutcafunam dna na
.elbacilp cinortcele tinu of rehtona ,rerutcafunam the cificeps
test sdohtem for the cinortcele tinu llahs eb agreed nopu
4 epyT of erutarepmet noitasnepmoc ,metsys fi
neewteb the resu dna the rerutcafunam of the cinortcele
,yna htiw lacirtcele scitsiretcarahc dna gnitimil
.tinu
.seulav
6.1.1 nI the denoitnem-evoba cases, the rosnes tinu
9( rehtehW hguorhT-wolF ,epyT noisremmI epyT
llahs eb desnir lareves semit htiw water gnivah a -noc
or other.
e> ytivitcud elbigilgen nihtiw the rated gnitarepo ,egnar
wolF ,egnaR ni the case of a hguorhT-wolF
neht desnir htiw wen noitulos dna ylno neht llahs ti eb
epyT rosneS .tinU
desremmi ni a rekaeb dellif htiw fresh .noitulos sihT
)f slairetaM ni tcatnoC htiw the elpmaS dna -taoC erudecorp llahs eb repeated each ,emit ni the tneve that
gni of the sedortcelE .lleC lareves seires of stnemerusaem are .debircserp
13I erusserP gnikroW .egnaR nI the case of hguorht-wolf ,smetsys the noitacifirev of
)h erutarepmeT gnikroW .egnaR seulav llahs eb deirrac tuo rednu wolf snoitidnoc as
)j rosneS .snoisnemiD deificeps yb the .rerutcafunam
4.2 Additional Statements on Electronic Units 6.2 noitarbilnC Solutious aud Test Solutions
roF noitarbilac ,snoitulos see xennA .A
a) gnirusaeM .ycneuqerF
)b erutarepmeT noitasnepmoC ,egnaR fi -pa roF test ,snoitulos see xennA .B
.elbacilp 6.3 tseT Procedures
lC epyT of erutarepmet noitasnepmoc tnemele of
In eht esac fo laiceps snoitcailppa where these tests are
the rosnes tinu ot hcihw the cinortcele tinu nac ton ,etairporppa tset serudecorp llahs eb deerga upon
eb adapted. neewteb rerutcafunam dna .resu
4 ytilibissoP of tnemtsujdA for ecnerefeR
6.3.1 Operating Error
erutarepmeT of the .elpmaS
)e mumixaM elbawollA nommoC Mode tupnI See 6.7.1 of SI 13673 (Part 1) : 1993
.egatloV 6.3.2 Linearity Error (IfLinearity is Clainicd)
fl tupnI nommoC Mode noitcejeR oitaR (CMRRJ 6.3.2.1 Sensor unit
NOTE - tI seilppa ylno ni eht esac fo niatrec ruof gnisU na etairporppa cinortcele ,tinu mrofrep the test
edortcele ytivitkcnoc xn guirust, .s~x~ys sa detaciJui ni 6.3.2.2.
2
IS 13673 ( Part 3 ) : 1993
6.3.2.2 Analyzer sgnidaer si reported..
The tosnes tinu si exposed ot at tsael evif noitarbilac 6.3.6 Delay Time (Tlo), Rise (Fall) Time (T,Tf), 90
snoitulos gnitneserper yletamixorppa ylmrofinu -sid Percent Time (Tw)
detubirt ,setivitcudnoc gnidulcni yletamixorppa the These seitreporp are yllausu a noitcnuf of the ralucitrap
muminim dna mumixam rated seulav for the .rezylana noitacilppa rather naht the .tnemurtsni Therefore, ti si
ehT tsrif order tsael erauqs tif si detaluclac dna the elbasivda ot ngised the test ni enil htiw the noitacilppa
mumixam noitaived morf the noisserger enil si -reted ni so far as .elbissop owT serudecorp are debircsed ni
.denim sihT mumixam noitaived morf the noisserger xennA .C erudecorP A si preferred dna yrotagilbo fi
enil si .denimreted sihT mumixam noitaived si the wolf sllec are .devlovh.
ytiraenil error dna si expressed ni smret of egatnecrep
6.3.7 Input Common MO& Rejection Ratio*
of the rated .egnar
ylppA the stated mumixam nommoc edom tupni -tlov
NOTE - roF snosaer fo ,ycneiciffe siht tset yam eb
age, htiw respect ot earth, ot htob tupni slanimret of the
denibmoc htiw eht tset rof ytilibataeper rorre ees(
cinortcele tinu dna report the s’tnemurtsni tuptuo .eulav
6.3.3.2).
nehT ylppa na tupni egatlov ot the tnemurtsni gnivig the
6.3.3 Repeatability Error emas tuptuo .gnidaer etaluclaC the RRMC as :swollof
6.3.3.1 Sensor unit
V,
gnisU na etairporppa cinortcele tinu mrofrep the test as RRMC = 02- gol iv . . . (7)
detacidni ni 6.3.3.2.
where
6.3.3.2 Analyzer
F si the tupni ,langis ni ;stlov
The resnes tinu si exposed yllaitneuqes ot test snoitulos
gnitneserper as ylraen as elbissop the ,muminim the V, Si the mumixam nommoc edom tupni ;egatlov
mumixam dna the muidem rated .seitivitcudnoc dna
ehT speis are repeated xis semit no each test noitulos RRMC si the nommoc edom noitcejer ,oitar ni
ni ,nrut at ecnerefer ,erutarepmet htiw on gnisnir -eb .slebiced
neewt the xis ,sgnidaer at slavretni of tuoba net semit 6.3.8 Operating Period
the s’tnemurtsni 90 tnecrep .emit ehT dradnats -aived
The esoprup of siht erudecorp si ot test the .rezylana
noit si detaluclac for each set of xis recorded seulav for
rednu worst case .snoitidnoc
each .noitulos ehT egareva of the three dradnats -aived
ehT gnitarepo doirep sdneped yllareneg no the gnikrow
snoit si detaluclac dna reported as ytilibataeper error.
.snoitidnoc ,erofeiehT the test dluohs eb agreed nopu
ehT erutarepmet of lla snoitulos dna the rosnes tinu
neewteb the rerutcafunam dna the .resu
dluohs eb the emas nihtiw *0.2OC dna reported gnola
htiw the ytilibataeper error. 6.3.9 Cell Constant
6.3.4 Stability Error 6.3.9.1 Sensot unit
6.3.4.1 Sensor unit gnisU na etairporppa cinortcele ,tinu mrofrep the test
as debircsed woleb :
gnisU na etairporppa cinortcele ,tinu mrofrep the test
as detacidni ni 6.3.4.2. ehT rosnes tinu si desremmi ni a noitarbilac noitulos at
ecnerefer erutarepmet dna the derusaem ecnatcudnoc
6.3.4.2 Analyzer
si reported. ehT llec tnatsnoc si detaluclac as :swollof
The rosnes tinu si exposed ot test snoitulos gnitneserper
as ylraen as elbissop the elacs-dim rated ytivitcudnoc GfdK GJ . . .
eulav dna the detacidili eulav si recorded. sihT si
repeated after the deificeps emit lavretni dna the
where
ytilibats error si detaluclac dna reported as a egatnecrep
eulav ni smret of the rated .egnar ehT erutarepmret of K~I si the llec ,tnatsnoc ni ;l-m
lla snoitulos dna the rosnes tinu llahs eb the emas X,, si the citylortcele ytivitcudnoc of noitarbilac
nihtiw C“2.0* dna reported gnola htiw the ytilibats ,noitulos at ecnerefer ,erutarepmet ni ;l-m.S dna
error. G si the derusaem citylortcele ecnatcudnoc ni
6.3.5 Output Fluctuation for theAnalyzer snemeiS
roF siht test the rezylana tuptuo llahs eb deyalpsid no a SETON
recorder htiw a 90 tnecrep emit ssel naht the 90 tnecrep 1 nI ,ecitcarp Siht tset si yrev netfo demrofrk yb
emit of the .rezylna gnirapmoc eht detaluclac llec tnatsnoc htiw eht llec
tnatsnoc fo a detarbilac .llec
ehT rosnes tinu si exposed ot a elbats test noitulos
2 sihT tset llahs eb demrofrep at eht emas gnirusaem
gnitneserper yletamixorppa the elacsdim ytivitcudnoc
ycneuqerf dna mrofevaw sa era desu htiw eht .rezylana
,eulav at yna tnatsnoc erutarepmet nihtiw the rated
egnar of elpmas ,erutarepmet for a doirep of 5 nim dna 6.3.9.2 Analyzer
the mumixam peak ot peak eulav for the ,modnar or fI the rezylana has a dexif gnittes for the llec ,tnatsnoc
raluger snoitaived morf the naem tuptuo si denimreted
as a egatnecrep eulav ni smret of the rated .egnar ehT sihT* tset ylnoseilppa ni eht esac fo niatrec edortcele-ruof eudnoc
test si repeated three semit dna the egareva of the ytivit gnirusaeln .smetsyS
3
IS 13673( Part 3) : 1993
the tnemurtsni gnidaer sevig yltcerid the citylortcele ehT two etats-ydaets detacidni seulav are reported,
.ytivitcudnoc nI the case of a elbairav gnittes for the llec htiwgnola evitcepsereht .serutarepmet
,tnatsnoc siht si set ni hcus a noitisop that the gnidaer seulavehT deniatbo are desu ot etaluclac a erutarepmet
sehctam the stated ytivitcudnoc of a noitarbilac -ulos ,tneiciffeoc after hcihw siht eulav si reported, together
noit of a egnar-dim .ytivitcudnoc retfA that, two -saem htiw the stated eulav of the noitarbilac noitulos dna the
stnemeru are edam htiw noitarbilac snoitulos gnirusaem .serutarepmet ehT erutarepmet tneiciffeoc si
gnitneserper yletamixorppa the rewol dna reppu stimil detaluclac as :swollof
of the rated egnar of ;esu
‘31
6.3.10 ‘Effect of Sample Temperature at _ J&I (G2 - . . . . (9)
[xt,0 2 - Tdl
sihT test si ylno elbacilppa ot ytivitcudnoc srezylana
gnivah erutarepmet tneiciffeoc .noitasnepmoc where
l&Z si the llec tnatsnoc of the rosnes ,tinu
6.3.10.1 Sknsor unirs
,iG 2G si the derusaem citylortcele secnatcudnoc at
gnisU na etairporppa cinortcele ,tinu htiw elbitapmoc
serutarepmet lt dna 2t ,ylevitcepser dna
gnirusaem ,ycneuqerf mrofrep test as detacidni
xt, si the citylortcele ytivitcudnoc of noitarbilac
ni 6.3.10.2.
noitulos at ecnerefer .erutarepmet
6.3.10.2 Analyzer
fI the citylortcele ytivitcudnoc rezylana has a dexif
The rosnes tinu si. desremmi ylevisseccus ni two -noc
erutarepmet tneiciffeoc ,noitasnepmoc the noitaluclac
sreniat dellif htiw a noitarbilac noitulos htiw a nwonk
si edam as debircsed ,evoba dna the gnitluser eulav si
erutarepmet tneiciffeoc (see 4.1.8).
dedivid yb the stated erutarepmet tneiciffeoc of the
ehT erutarepmet of the noitulos ni the tsrif reniatnoc noitarbilac noitulos dna deilpitlum yb 100, after
llahs eb raen ot the muminim eulav of the rated -tarepo hcihw siht eulav si reported as egatnecrep erutarepmet
gni egnar for the rosnes tinu dna the erutarepmet of the tneiciffeoc error.
noitulos ni the dnoces reniatnoc llahs eb raen ot the
fI the ytivitcudnoc rezylana has a elbairav erutarepmet
mumixam eulav of the rated gnitarepo egnar for the
tneiciffeoc ,gnittes the stated erutarepmet -asnepmod
rosnes .tinu etauqedA gnirrits of the ,noitulos htiw a
noit eulav of. the noitarbilac noitulos si set no the
citengam-non ,ecived dna etauqeda noisremmi depth
,rezylana roirp ot the gnitset erudecorp .evoba ehT
dna llew ecnaraelc for the rosnes tinu llahs eb derusne
emas snoitaluclac are edam as htiw the dexif -arepmet
ni each case.
erut tneiciffeoc .noitasnepmoc
ANNEX A
(Clause 6.2)
CITYLORTCELE YTIVITCUDNOC SEULAV FO MUISSATOP
EDIROLHC NOITARBILAC *SNOITULOS

Calibration Approximate Method of Preparation T ec> Conductivity
Solution Concentration ’-m.S
. - .lom(. )1-1
A 1 71.135 2 g of 1CK dehgiew 0 6.517 6
ni muucav per margolik 18 9.783 8
of 110itu10s 25 11,134 2
B 0.1 7.419 1 g of 1CK dehgiew ni 0 7.138 x i-01
muccav per margolik of 18 11.167 x l-01
noitulos 25 12.856 x l-01
C 0.01 0.745 3 g of 1CK dehgiew ni 0 7.736 x ’-ol
muccav per margolik of 12.205 x 2-O1
noitulos : 14.088 x 2-o1
D 0.001 etuliD 100 lm of noitulos C 25 _ 14.693 x 3-O1
ot 11 at C°02
*
Corrected for the conductivity of the water used to prepare the salutions.
IS 13673 ( Part 3 ) : 1993
These detalubat ytivitcudnoc values are ni lanoitanretni each .noitulos
.stinu roF the noitaraperp of the ,snoitulos muissatop edirolhc
dezinoieD water, htiw a elbigilgen ytivitcudnoc -moc of lacitylana edalg llahs eb ,desu deird for at tsael 2 h
pared htiw the stated ,eulav ylbareferp rewol naht 2 at 220% - .C°042
l-mc.sp at 25”c, llahs eb desu for the noitaraperp of
Calibration Approximate Method of Preparation T(OC) Conductivity
Solution Concentration ’-m.S
.lom( )l-1
A 1 74.246 0 g of 1CK dehgiew ni 6.517 6
ria per ertil of noitulos 9.783 8
11.134 2
B 0.1 7.436 5 g of 1CK dehgiew ni ria 7.138 x l-01
per ertil of noitulos 11.167 x l-01
12.856 x l-01
C 10.0 0.744 0 g of 1CK dehgiew ni .ria 7.736 x *-ol
per ertil of noitulos 12.205 x *-ol
14.088 *-01x
D 0.001 etuliD 100 lm of noitulos C ot 11 14.693 x 3-O1
at C°02
ANNEX B
(Clause 6.2)
TEST SOLUTIONS
Tables of the Resisiivity of Aqueous Sodium
Chloride Solutions
(See selbaT 1,2 dna 3)
ehT snoitartnecnoc are nevig ni thgiew/thgiew -rep Example;

.egatnec
tahW si the ytivitsisercificeps of a muidos edirolhc

ehT selbat nac eb detrevnoc ot ytivitcudnoc selbat yb noitulos gniniatnoc 0.024 tnecrep lCaN at 63.4oC.
gnitaluclac the slacorpicer of the nevig ytivitsiser .seulav
ehT ytivitsiser at 18 OC = 2 342.6 ,mc elbaT 1
roF the noitaraperp of the ,snoitulos dezinoied water
ehT eulav of bt at 63.4 Oc = 0.025 52, elbaT 2
llahs eb ,desu dna muidos edirolhc of lacitylana grade,
deird for at tsael 2 h at .C’O42-C”O22 ehT noitartnecnoc corrected = 0, elbaT 3
for bt
ehT detalubat seulav are for a erutarepmet of .C°81
seulaV for other serutarepmet nac eb detaluclac yb the ehT ytivitsiser
:noitauqe
ax 63’4 =cO l[ + 4.:;;3&20.0 - 18)]
tR = [l + b::- 18)] = 1085.2 mc or 0.092 1 I-mS
where b, si the erutarepmet tneiciffeoc elbaT( 2 -rac F or ht e ,tnemom on elbailer data are elbaliava for hgih
rected yb elbaT 3). ytivitcudnoc test .snoitulos kroW si ni progress ot evlos
ehT esu of the selbat si detartsulli ni the gniwollof siht .melborp
:elpmaxe