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SODIUM
PHOSPHATE DIBASIC DIHYDRATE |
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MOL.FORMULA: Na2HPO4.2H20 MOL.WT: 178.00 CAS NO.10028-24-7 |
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DESCRIPTION: WHITE CRYSTALLINE POWDER. |
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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 |
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TO COMPLY |
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SOLUBILITY |
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TO COMPLY |
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APPEARANCE OF SOLUTION |
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CLEAR & COLOURLESS |
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REDUCING SUBSTANCES |
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TO COMPLY |
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MONO SODIUM PHOSPHATE |
MAX. |
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0.025 |
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CHLORIDES |
MAX. |
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400PPM |
0.06% |
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100PPm |
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SULPHATE |
MAX. |
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0.1% |
0.2% |
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100PPm |
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ARSENIC |
MAX. |
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4PPM |
16PPM |
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HEAVY METALS |
MAX. |
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20PPM |
0.002% |
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20PPm |
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IRON |
MAX. |
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40PPM |
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20PPm |
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LOSS ON DRYING |
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LOSS ON DRYING AT1300C |
MAX. |
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19.5-21.0% |
18.5-21.5% |
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ASSAY ON DRY BASIS |
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98.0-101.0% |
98.0-100.5% |
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99% (MIN) |
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PH OF 2%
SOLUTION |
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INSOLUBE MATTER |
MAX. |
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0.4% |
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NITROGEN COMPOUNDS |
MAX. |
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Ca & Mg |
MAX. |
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PYROPHOSPHATE |
MAX. |
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POTASSIUM |
MAX. |
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