Specifications
ZINC SULPHATE BP |
|
Code Number |
67127 |
Synonym |
WHITE VITRIOL |
CAS No. |
7733-02-0 |
Molecular Formula |
ZnSO4.7H2O |
Molecular Weight |
287.50 |
Description |
WHITE OR ALMOST WHITE CRYSTALLINE POWDER OR COLORLESS, TRANSPARENT CRYSTALS, EFFLORESCENT |
SOLUBILITY |
VERY SOLUBLE IN WATER, PRACTICALLY INSOLUBLE IN |
IDENTIFICATION (TEST A, B & C) |
ZINC= +VE & SULPHATE =+VE , PER BP |
APPEARANCE OF SOLN |
5% W/V SOLUTION IS CLEAR AND COLOURLESS |
PH OF 5% SOLUTION |
4.4 - 5.6 |
IRON |
MAX 0.01% |
CHLORIDE |
MAX 0.03% |
RESIDUAL SOLVENTS |
PER BP |
ASSAY |
99.0% -- 104.0% |
HALOGENS
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