FINISHED PRODUCT SPECIFICATION
QCD.F.067
Name of Product : Zinc Sulphate Heptahydrate
Chemical Formula : ZnSO4.7H2O Effective Date : 08/12/2016
Molecular Weight : 287.56 g/mol Retest Date : After 3 Year
CAS No. : 7446-20-0 Master Copy : Quality Control
Specification : AR
Production Code : FP055002
HSN Code : 28332990
Department : Quality Control Page No. : 01 of 01
NO. TEST SPECIFICATION
1. Description White Crystalline Powder
2. Solubility in Water Soluble in Water
3. Water Insoluble Matter Max.0.01%
4. pH of 5% solution 4.4 – 6.0
5. Chloride as Cl Max.0.0005%
6. Iron as Fe Max.0.0005%
7. Cadmium as Cd Max. 0.0005%
8. Copper as cu Max. 0.0005%
9. Manganese as Mn Max.0.0003%
10. Arsenic as As Max.0.0001%
11. Magnesium as Mg Max.0.005%
12. Nitrate as NO3 Max.0.002%
13. Lead as Pb Max.0.001%
14. Calcium as Ca Max.0.001%
15. Total Nitrogen as N Max.0.001%
16. Ammonia as NH4 Max.0.001%
17. Sodium as Na Max.0.05%
18. Potassium as K Max.0.01%
19. Assay NLT 99.5%
Storage : Store in a cool, dry, well-ventilated area. Keep containers tightly closed.