Table Of Contentइंटरनेट मानक
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IS 571 (2000): Monosodium Phosphate [CHD 1: Inorganic
Chemicals]
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IS 571 : 2800
$777&m
m
Gt4df?mm-
hwmw
Indiaa Standard
MONOSODIUMPHOSPHATE-
SPECIFICATION
( Second Revision
ICS 7 1.060.50
0 BIS 2000
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
June 2ooo Price puorG 5
lareneG cinagronI slacimehC lanoitceS ,eettimmoC CHD 03
DROWEROF
sihT naidnI dradnatS dnoceS( )noisiveR was adopted yb the uaeruB of naidnI ,sdradnatS after the draft dezilanif
yb the lareneG cinagronI slacimehC lanoitceS eettimmoC had neeb devorppa yb the lacimehC noisiviD .licnuoC
sihT dradnats was yllanigiro dehsilbup ni 1954 dna yltneuqesbus desiver ni 1969, gnitaroprocni lacitylana
tnegaer grade muidosonom phosphate ni the .dradnats
nI the tneserp ,noisiver the tnemeriuqer for ,selbulosni muiclac dna muinomma edixordyh setatipicerp has neeb
detutitsbus yb ,selbulosni muiclac dna other latem edixordyh .setatipicerp ehT dohtem for nori noitanimreted
has neeb .deifidom
sihT tcudorp si osla nwonk as muidos .etahpsohpib muidos negordyhid phosphate, dica muidos phosphate,
muidos phosphate cisabonom dna yramirp muidos phosphate.
muidosonoM phosphate si desu ni gnikab powders, ni reliob water tnemtaert dna ni the noitaraperp of evitcaoidar
muidos phosphate.
erehT si on 0SI noitacificeps no siht .tcejbus
noitisopmoC of the eettimmoC elbisnopser for gnitalumrof siht dradnats si nevig ni xennA M.
roF the esoprup of gnidiced whether a ralucitrap tnemeriuqer of siht dradnats si deilpmoc ,htiw the lanif ,eulav
devresbo or ,detaluclac gnisserpxe tluser~eht of a test or ,sisylana llahs eb dednuor off ni ecnadrocca htiw SI 2 :
1960 seluR‘ for gnidnuor off laciremun seulav .‘)desiver( ehT rebmun of tnacifingis secalp deniater ni the
dednuor off eulav dluohs eb the emas as that of the deificeps eulav ni siht .dradnats
IS 571 : 2000
Indian Standard
MUIDOSONOM ETAHPSOHP -
NOITACIFICEPS
(
Second Revision )
1 SCOPE 5 PACKING AND MARKING
sihT dradnats sebircserp the stnemeriuqer dna 5.1 Packing
sdohtem of gnilpmas dna test for muidosonom
ehT lairetam llahs eb packed as agreed ot neewteb the
phosphate (NaHzP04. H20).
resahcrup dna the .relppus
2 NORMATIVE REFERENCES 5.2 Marking
52.1 The sreniatnoc llahs eb ylbigel dna ylbiledni
ehT naidnI sdradnatS detsil woleb niatnoc snoisivorp
dekram htiw the gniwollof :noitamrofni
hcihw hguorht ecnerefer ni siht text, etutitsnoc
)a emaN dna grade of the ,lairetam
noisivorp of siht naidnI .dradnatS tA the emit of
,noitacilbup the snoitide detacidni were .dilav llA b) Mass of the ,lairetam
sdradnats are tcejbus ot ,noisiver dna seitrap ot c>
noitacidnI of the ecruos of ,erutcafunam
stnemeerga desab no siht dradnats are degaruocne ot
4 htnoM dna raey of ,erutcafunam dna
etagitsevni the ytilibissop of gniylppa the tsom tnecer
snoitide of the naidnI sdradnatS detacidni :woleb d Lot rebmun ni code or esiwrehto ot elbane the
hctab of erutcafunam ot eb traced morf
SI No. Title
records.
264 : 1976 cirtiN dica dnoces( revision) 5.2.1.1 nI case of lacitylana tnegaer grade, the sisylana
of the lairetam ni respect of the scitsiretcarahc dial nwod
265 : 1993 cirolhcordyH dica (fourth revision)
ni co1 4 of elbaT 1 llahs osla appear no the .lebal
1070: 1992 tnegaeR grade water driht( 52.2 BIS Certification Marking
revision)
ehT packages yam osla eb dekram htiw the dradnatS
2088 : 1983 Methods for noitanimreted of Mark.
cinesra dnoces( revisio n) ehT esu of the dradnatS Mark si denrevog yb the
4905 : 1968 Methods for modnar gnilpmas snoisivorp of Bureau of lndian Standards Act, 1986
dna the seluR dna snoitalugeR edam .rednuereht ehT
3 GRADES sliated of snoitidnoc rednu hcihw the ecnecil for the
fo-esu dradnatS Mark yam eb detnarg ot srerutcafunam
erehT llahs eb two grades of the ,lairetam ,yleman or srecudorp yam eb deniatbo morf the uaeruB of
naidnI .sdradnatS
a) ,eruP dna
)b RA lacitylanA( )tnegaeR . 6 SAMPLING AND CRITERIA FOR
CONFORMITY
4 REQUIREMENTS 6.3 The dohtem of gniward evitatneserper selpmas of
the ,lairetam rebmun of tests ot eb demrofrep dna the
4.1 Description
airetirc for gninimreted the ytimrofnoc of the lairetam
ehT lairetam llahs eb ni the mrof of ,etihw ylthgils ot the stnemeriuqer of siht noitacificeps llahs eb as
tnecseuqiled slatsyrc or .selunarg debircserp ni xennA L.
4.2 ehT lairetam llahs osla ylpmoc htiw the 7 QUALITY OF REAGENTS
* stnemeriuqer nevig ni elbaT I nehw tested ni 7.1 sselnU deificeps ,esiwrehto erup slacimehc dna
ecnadrocca htiw the sdohtem debircserp ni sexennA tnegaer grade water (see SI 1070) llahs eb deyolpme
A ot .K ecnerefeR ot the sexennA si nevig ni co1 5 of ni tests.
elbaT 1.
NOTE - ‘Pure chtmicals’ shall mean chemicals that do not
contain impurities which affect the results of analysis.
SI 571 : 2000
Table 1 Requirements for Monosodium Phosphate
(Clause 4.2)
IS Characteristic Requirement for Grade Method of
No. Test (Ref to
Pk Annex)
)1( )2(
(3) (4) (5)
)i Loss on drying, percent by mass 10.0 to 15.0 10.0 to 15.0 A
ii) Sodium phosphate (as NaHzPOk), on dry 98 to 102 99.5 to 101 B
basis, percent by mass
iii) Insolubles, calcium, and other metal hydroxide 0.40 0.010 C
precipitates, percent by mass, Mar
iv) Chlorides (as Cl), percent by mass, Mar 0.014 0.000 5
v) Nitrogen compounds (as N), percent by mass, Max - 0.001
vi) Sulphates (as SO& percent by mass, Mar 0.15 0.003
I
vii) Arsenic (as A&3), percent by mass, Max o.ooo 3 0.000
Viii) Heavy metals (as Pb), percent by mass, Mnr 0.001 0.000 2
ix) Iron (as Fe), percent by mass, Mm 0.005 0.001
x) PH 4.2 to 4.6 4.2 to 4.6
ANNEX A
])i(
[Table 1, SZNo.
DETERMINATION OF LOSS ON DRYING
A-l PROCEDURE where
hgieW yletarucca tuoba 10 g of the lairetam ni a tared M2 = ssam ni g of the lairetam nekat for the test,
dna
nialecrop nisab of 6 ot 8 mc retemaid dna 1 ot 3 mc
depth. yrD the stnetnoc of the nisab at C°031 f. .C°2 lM = ssam ni g of the lairetam after .gniyrd
looC dna hgiew ot tnatsnoc .ssam
2-A NOITALUCLAC
IM-&~
Loss no ,gniyrd tnecrep ssam-yb = 100 x ~
M2
ANNEX B
])ii(
[Table 1, SZN o.
DETERMINATION OF SODIUM PHOSPHATE (NaHzP04)
B-l REAGENTS B-3 CALCULATION
B-l.1 Standard Sodium Hydroxide Solution enO ertilillim of 1N muidos edixordyh noitulos si
tnelaviuqe ot 0.120 0 g of muidos phosphate.
1 N.
12xVN
2.l-B nielahthplomyhT rotacidnI noituloS muidoS phosphate (as NaHzPOJ), = 7
tnecrep yb ssam no( yrd )sisab
evlossiD 0.1 g of nielahthplomyht ni 100 lm of
80 tnecrep deifitcer .tirips where
2m-B ERUDECORP v = emulov ni lm of dradnats muidos
edixordyh noitulos ,demusnoc
hgieW yletarucca tuoba 4 g of the deird lairetam
N = ytilamron of dradnats muidos edixordyh
deniatbo ni A-l, evlossid ni 100 lm of water dna etartit
,noitulos dna
tsniaga dradnats muidos edixordyh ,noitulos gnisu
nielahthplomyht as rotacidni litnu the eulb ruoloc M= ssam ni g of the lairetam nekat for the test.
appears.
2
SI
571 : 2000
ANNEX C
[ Tuble 1, Sl No. (iii)]
DETERMINATION OF INSOLUBLES, CALCIUM AND
OTHER METAL HYDROXIDE PRECIPITATES
C-l REAGENTS fo etulid muinomma edixordyh and wolla ot stand
.thginrevo retliF eht ,etatipicerp wash ti htiw retaw
C-l.1 Ammonium Oxalate Solution
and etingi at a wol der .taeh hgieW llit tnatsnoc mass
10 tnecrep .)v/m( is .deniatbo
2.l-C Ditute Ammonium Hydroxide C-3 CALCULATION
15 tnecrep .)v/m( ,selbulosnI ,muiclac and rehto latem edixordyh
C-2 PROCEDURE ,setatipicerp tnecrep yb mass = 100 x g
evlossiD 10 g fo eht ,lairetam yletarucca ,dehgiew ni erehw
100 lm fo retaw and add 5 lm fo etalaxo-muindmma
MI = mass ni g fo eht detingi ,eudiser and
.noitulos ekaM eht erutxim enilakla ot sumtil htiw
mass ni g fo eht lairetam nekat rof eht .tset
etulid muinomma .edixordyh Add rehtruf 15 lm ssecxe 2M =
ANNEX D
[Table 1, SZN o. (iv)]
DETERMINATION OF CHLORIDES
D-l APPARATUS yrraC tuo a lortnoc tset ni eht rehto relsseN rednilyc
using 1.4 lm fo standard edirolhc noitulos 1( lm
D-l.1 Nessler Cylinders
gniniatnoc 0.1 gm fo )edirolhc and eht emas seititnauq
lm-05 .yticapac fo rehto stnegaer ni eht emas latot emulov fo eht
noitcaer .erutxim ritS htob eht snoitulos htiw glass dor
2.l-D detaudarG ettepiP
and erapmoc eht ecnecselapo yllacitrev decudorp~ ni
2 lm yticapac htiw noitaudarg kram at hcae 0.1 .lm eht owt srednilyc retfa 5 .nim
2-D STNEGAER~ 2.3-D For AR Grade
1.2-D detartnecnoC cirtiN dicA
evlossiD 20 g fo eht lairetam ni retaw and ekam up eht
eeS SI 264. emulov ot yltcaxe 100 .lm ettepiP tuo 10 lm fo this
noitulos ni a relsseN .rednilyc Add 1 lm fo
2.2-D dradnatS edirolhC noituloS
detartnecnoc cirtin dica and 1 lm fo revlis etartin
evlossiD 1.649 g fo muidos edirolhc ni retaw and ekam .noitulos ekaM up eht noitulos ot lm-05 .kram yrraC
up eht emulov ot 1 000 .lm ettepiP tuo 10 lm fo eht tuo a lortnoc tset ni eht rehto relsseN rednilyc using
,noitulos etulid htiw retaw and ekam up eht emulov ot 0.5 lm fo standard edirolhc noitulos 1( lm gniniatnoc
lOOm1. enO ertilillim fo this noitulos sniatnoc 0.1 gm 0.1 gm fo )edirolhc and eht emas seititnauq fo rehto
fo edirolhc (as .)lC stnegaer ni eht emas latot emulov fo eht noitcaer
.erutxim ritS htob eht snoitulos htiw glass sdor and
3.2-D Silver Nitrate Solution erapmoc eht ecnecselapo decudorp ni eht owt
srednilyc retfa 5 .nim
D-3 PROCEDURE
4-D ehT timil debircserp ni elbaT 1 shall eb nekat as
D-3.1 For Pure Grade
ton gnivah neeb dedeecxe fi eht ecnecselapo decudorp
evlossiD 1 g fo eht lairetam ni 20 lm fo ,retaw add
ni eht tset htiw eht lairetam is ton retaerg than that
2 lm fo detartnecnoc cirtin dica and 1 lm fo revlis
decudorp ni eht lortnoc .tset
etartin .noitulos ekaM up eht noitulos ot lm-05 .kram
3
IS 571 : 2000
ANNEX E
[Table 1, sz No. (v)]
DETERMINATION OF NITROGEN COMPOUNDS
E-l APPARATUS E-2.5 Standard Ammonium Chloride Solution
E-l.1 Nessler Cylinders evlossiD 0.382 g of muinomma edirolhc ni water dna
ekam pu ot 100 .lm ekaT 10 lm of the noitulos dna
50 lm .yticapac
etulid ot yltcaxe 1 000 .lm enO ertilillim of siht
E-2 REAGENTS noitulos si tnelaviuqe ot 0.01 gm of negortin (as N).
E-2.1 Sodium Hydroxide Solution 3-E ERUDECORP
yletamixorppA 10 tnecrep .)v/m( hgieW yletarucca 1 .O g of the lairetam dna evlossid ni
50 lm of water. ddA 20 lm of muidos edixordyh
2.2-E Devarda’s Alloy
,noitulos 0.5 g of powdered s’adraveD yolla dna wolla
gnitsisnoC of 50 parts of copper, 45 parts of ot dnats for 2 h protected morf ssol or excess of
,muinimula dna 5 parts of .cniz ainomma ni the noitallitsid .ksalf ,nehT ylwols llitsid
54-04 lm otni 5 lm of water gniniatnoc 1 drop of etulid
3.2-E Nessler Solution
cirolhcordyh .dica refsnarT ot a relsseN rednilyc dna
evlossiD 10 g of muissatop edidoi ni 10 lm of add 1 lm of muidos edixordyh noitulos dna 2 lm of
eerf-ainomma water, dna add ot ti ylwols htiw ,gnirrits relsseN .noitulos Make pu the emulov ot ]m-05 .kram
detarutas cirucrem edirolhc noitulos litnu a thgils yrraC tuo a lortnoc test ni rehtona relsseN rednilyc
tnenamrep etatipicerp si .demrof ddA 30 g of gnisu for nosirapmoc 1 lm of dradnats muinomma
muissatop edixordyh dna nehw ti has ,devlossid add edirolhc noitulos ni ecalp of the lairetam dna the emas
1 lm erom of edirolhc~cirucrem ,noitulos dna etulid ot seititnauq of other stnegaer ni the emas latot emulov
200 lm htiw eerf-ainomma water. wollA ot elttes of the noitcaer .erutxim
,thginrevo tnaced off the raelc noitulos dna keep ti ni
1.3-E ehT timil debircserp ni elbaT 1 llahs eb
a elttob desolc htiw a gnittif-llew rebbur stopper.
deredisnoc as ton gnivah neeb exceeded fi the ytisnetni
4.2-E Dilute Hydrochloric Acid of the ruoloc decudorp ni the test htiw the lairetam si
ton greater naht that decudorp ni the lortnoc test.
5 N.
ANNEX F
[Table 1, Sl No. (vi)]
NOITANIMRETED FO SETAHPLUS
F-l REAGENTS dnats .thginrevo retliF hguorht a tared hcooG elbicurc
or a retlif paper namtahW( No. 42 or .)tnelaviuqe
F-l.1 Dilute Hydrochloric Acid
hsaW the etatipicerp htiw hot water dna .etingi looC
yletamixorppA 5 N. dna hgiew llit tnatsnoc ssam si .deniatbo
2.l-F muiraB edirolhC noituloS 3-F NOITALUCLAC
10 tnecrep .)v/m(
setahpluS (as Sod), tnecrep yb ssam = 41.15 g
2-F ERUDECORP
where
evlossiD 10 g of the lairetam ni 100 lm of water dna
IM = ssam ni g of the ,etatipicerp dna
2 lm of etulid cirolhcordyh .dica ,retliF fi ,yrassecen
M2 = ssam ni g of the lairetam nekat for the test.
heat the etartlif ot ,gniliob add ylwols htiw tnatsnoc
,gnirrits 5 lm of muirab edirolhc noitulos dna wolla ot
SI 571 : 2000
ANNEX G
3)iiV(
[Table 1, 5’1N o.
NOITANIMRETED FO CINESRA
G-l PROCEDURE G-l.1 The timil prescribed ni elbaT 1 shall eb nekat
as ton gnivah neeb dedeecxe fi eht htgnel fo eht stain
evlossiD 1 .O g fo eht ,lairetam yletarucca ,dehgiew ni
as llew as eht ytisnetni fo its ruoloc decudorp ni eht
10 lm fo .retaw yrraC tuo eht tset rof cinesra as
tset htiw eht lairetam era ton retaerg than esoht
debircserp ni SI 2088, using rof nosirapmoc a stain
decudorp ni eht lortnoc .tset
deniatbo htiw 0.003 gm fo cinesra edixoirt (as As&)
ni esac fo erup dna~edarg 0.001 gm ni esac fo AR edarg
fo eht .lairetam
ANNEX H
])iiiv(
[Table 1, SEN o.
NOITANIMRETED FO YVAEH SLATEM-
H-l APPARATUS 100 lm htiw .retaw enO ertilillim fo this noitulos
sniatnoc 0.1 gm fo dael .)bP(
H-l.1 Nessler Cylinders
7.2-H Sodium Sulphide Solution
lm-05 .yticapac
yletamixorppA 10 tnecrep .)v/m(
2-H STNEGAER
3-H PROCEDURE
1.2-H citecA dicA
hgieW 7.0 g fo eht lairetam otni a relsseN rednilyc and
yletamixorppA 33 tnecrep .)v/v(
evlossid ni 30 lm fo toh .retaw Add 5 lm fo citeca .dica
2.2-H etuliD muinommA edixordyH ekaM ti enilakla ot sumtil yb gradual noitidda fo etulid
muinomma edixordyh noitulos and add 1 lm fo
yletamixorppA 10 tnecrep ,)v/v(
muissatop edinayc .noitulos yrraC tuo a lortnoc tset-
3.2-H negordyH edixoreP ni eht rehto relsseN rednilyc using 2.0 g fo eht ,lairetam
0.5 lm fo standard dael noitulos ni esac fo eht erup
yletamixorppA 6 tnecrep .)v/v(
edarg and 0.1 lm ni esac fo AR edarg and eht emas
4.2-H muissatoP edinayC noituloS seititnauq fo rehto .stnegaer retliF htob eht ,snoitulos
fi yeht era ,dibrut and fi eht sruoloc fo eht snoitulos
evlossiD 10 g fo muissatop edinayc ni 90 lm fo ,retaw
,reffid ezilauqe yb eht noitidda fo a wef spord fo a
add 2 lm fo negordyh ,edixorep wolla ot stand rof
ylhgih detulid noitulos fo tnrub sugar ro rehto
24 h and ekam up ot 100 lm htiw .retaw
evitcaer-non .ecnatsbus etuliD htob eht snoitulos htiw
5.2-H detartnecnoC cirtiN dicA retaw and ekam up eht emulov fo hcae ot 50 .lm Add
2 spord fo muidos edihplus ,noitulos xim ylhguoroht
eeS SI 264.
and erapmoc eht sruoloc depoleved ni eht owt
H-2.6 Standard Lead Solution cylinders retfa 5 .nim
evlossiD 1.60 g fo dael etartin ]2)30N(bP[ ni retaw ehT stimil debircserp ni elbaT I shall eb nekat as ton
and etulid ot 1 000 lm ni a cirtemulov .ksalf ettepiP gnivah neeb dedeecxe fi eht ruoloc decudorp ni eht tset
tuo 10 lm fo eht noitulos and etulid again ot yltcaxe htiw eht lairetam is ton repeed than that decudorp ni
eht lortnoc .tset
