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COPPER SULPHATE
PENTAHYDRATE |
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MOL.FORMULA: CuSo4.5H2O MOL.WT: 249.69 CAS NO. 7758-99-08 |
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DESCRIPTION: A BLUE CRYSTALLINE
POWDER OR TRANSPARENT BLUE |
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GRADES |
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SPECIFICATION |
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IP |
BP |
USP |
ACS |
AR |
LR |
F.C.C |
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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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TO COMPLY |
TO COMPLY |
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LOSS ON DRYING AT 2500C |
MAX |
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35.0-36.5% |
33.0-36.5% |
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CHLORIDE |
MAX |
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100PPM |
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0.001% |
0.0005% |
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LEAD |
MAX |
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50PPM |
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4PPM |
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IRON |
MAX |
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100PPM |
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0.1% |
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ASSAY |
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99.0-101.0% |
98.5-100.5% |
98.0-102.0% |
99.5%(MIN) |
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98.0-102.0% |
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SODIUM |
MAX |
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0.02% |
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POTASSIUM |
MAX |
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0.01% |
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CALCIUM |
MAX |
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0.005% |
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IRON |
MAX |
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0.003% |
0.003% |
0.005% |
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0.01% |
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NICKEL |
MAX |
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0.005% |
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0.01% |
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ORGANIC VOLATILE IMPURITIES |
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TO COMPLY |
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SUBSTANCES NOT PRECIPITATED BY HYDROGEN SULPHIDE |
MAX |
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0.1% |
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0.3% |
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pH OF 5% SOLUTION |
MIN |
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3.8 |
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INSOLUBLE MATTER |
MAX |
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0.005% |
0.003% |
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NITROGEN COMPOUNDS |
MAX |
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0.001% |
0.002% |
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AMMONIUM SULFIDE METALS OTHER THAN IRON |
MAX |
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0.005% |
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ALKALIS & OTHER METALS |
MAX |
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0.1% |
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ARSENIC |
MAX |
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0.0005% |
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