NILE CHEMICALS
CALCIUM CARBONATE EXTRA PURE
SPECIFICATION | |
CaCO3 M.W. 100.09 | |
Assay ( chelatometric ) | 98.5-100.5% |
Maximum Limits of impurities : | |
Substances insoluble in acetic acid | 0.2% |
Substances insoluble in HCI | 0.2% |
Chloride ( CI ) | 0.025% |
Sulphate ( SO4 ) | 0.25% |
Fluoride ( F ) | 0.005% |
Heavy Metals ( as Pb ) | 0.002% |
Lead ( Pb ) | 0.001% |
Copper ( Cu ) | 0.001% |
Zinc ( Zn ) | 0.001% |
Iron ( Fe ) | 0.02% |
Barium ( Ba ) | passes test |
Arsenic ( As ) | 0.0003% |
Magnesium alkali metals | 1.0% |
Loss on drying ( 200OC, 4 hours ) | 2% |
PRODUCT LIST
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