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SODIUM
CARBONATE ANHYDROUS |
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MOLECULAR FORMULA :Na2CO3 MOL WT 105.99 CAS NO.497-19-8 |
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DESCRIPTION: WHITE
GRANULAR / CRYSTALLINE POWDER, HYGROSCOPIC. |
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GRADE |
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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 |
TO COMPLY |
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APPEARANCE OF SOLUTION |
|
TO COMPLY |
TO COMPLY |
|
--- |
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CHLORIDES |
MAX. |
125PPM |
125PPM |
|
0.001% |
0.002% |
0.05% |
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SULPHATES |
MAX. |
250PPM |
250PPM |
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0.003% |
0.0025% |
0.02% |
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ARSENIC |
MAX. |
--- |
5PPM |
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1PPM |
0.00002% |
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HEAVY METALS |
MAX. |
50PPM |
50PPM |
0.001% |
5PPM |
0.0005% |
50PPM |
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IRON |
MAX. |
50PPM |
50PPM |
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5PPM |
0.0005% |
0.002% |
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LOSS ON DRYING AT 3000C |
MAX. |
1.0% |
1.0% |
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1.0%
AT 2850C |
1.0% |
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1.0% |
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LEAD |
MAX. |
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4.0PPM |
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ALKALI HYDROXIDES & BICARBONATES |
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TO COMPLY |
TO COMPLY |
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--- |
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ASSAY ON DRY BASIS |
MIN. |
99.5-100.5% |
99.5- 100.5% |
99.5- 100.5% |
99.5%(MIN) |
99.99%(MIN) |
99.5% |
99.5- 100.5% |
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SOLUBILITY |
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--- |
TO COMPLY |
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--- |
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TO COMPLY |
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WATER AT 1050C |
MAX. |
--- |
--- |
0.5% |
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1.5% |
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SILICATES |
MAX. |
--- |
--- |
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0.005% |
0.0025% |
0.02% |
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CALCIUM AND MAGNESIUM PPT. |
MAX. |
--- |
--- |
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0.01% |
0.013% |
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INSOLUBLE MATTER |
MAX. |
--- |
--- |
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0.01% |
0.01% |
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PHOSPHATE |
MAX. |
--- |
--- |
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0.001% |
0.001% |
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POTASSIUM |
MAX. |
--- |
--- |
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0.005% |
0.005% |
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NITROGEN COMPOUNDS |
MAX. |
--- |
--- |
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0.001% |
0.002% |
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AMMONIUM HYDROXIDE PPT. |
MAX. |
--- |
--- |
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0.01% |
0.0010% |
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ALUMINIUM |
MAX. |
--- |
--- |
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0.001% |
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ORGANIC VOLATILE IMPURITIES |
MAX. |
--- |
--- |
TO COMPLY |
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SUBSTANCES REDUCING IODINE |
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--- |
--- |
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0.005% |
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