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SODIUM
CITRATE |
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MOL.FORMULA:C6H5Na3O7.2H20 MOL.WT:294.1 CAS NO. 6132-04-3 |
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DESCRIPTION: WHITE,
GRANULAR |
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GRADES |
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SPECIFICATION |
IP |
BP |
USP |
ACS |
AR |
LR |
FCC |
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IDENTIFICATION |
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TO COMPLY |
TO COMPLY |
TO COMPLY |
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TO COMPLY |
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APPEARANCE OF SOLUTION |
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CLEAR & COLOURLESS |
CLEAR & COLOURLESS |
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SOLUBILITY |
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TO COMPLY |
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pH |
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8.6-9.2 |
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ACIDITY OR ALKALINITY |
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TO COMPLY |
TO COMPLY |
TO COMPLY |
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TO COMPLY |
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READILY CARBONISABLE SUBSTANCES |
MAX. |
TO COMPLY |
TO COMPLY |
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TO COMPLY |
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CHLORIDES |
MAX. |
100PPM |
50PPM |
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0.001% |
100PPM |
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OXALATE |
MAX. |
300PPM |
300PPM |
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0.01% |
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SULPHATES |
MAX. |
150PPM |
150PPM |
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0.005% |
200PPM |
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HEAVY METALS |
MAX. |
10PPM |
150PPM |
0.0001% |
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WATER |
MAX. |
11.0-13.0% |
11-13% |
10-13% |
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ASSAY ON ANHYDROUS BASIS |
MAX. |
99.0-101.0% |
99.0-101.0% |
99-100.5% |
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99%(MIN) |
99.0-101.0% |
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TARTARATES |
MAX. |
TO COMPLY |
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TO COMPLY |
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INSOLUBLE MATTER |
MIN. |
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0.003% |
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AMMONIUM |
MAX. |
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0.001% |
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ARSENIC |
MAX. |
2PPM |
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0.00004% |
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COPPER |
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0.00005% |
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IRON |
MAX. |
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0.0005% |
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LEAD |
MAX. |
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0.0005% |
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POTASSIUM |
MAX. |
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0.025% |
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REDUCING SUBSTANCES |
MAX. |
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TO COMPLY |
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