Certificate of Analysis
Product Name
ZINC SULPHATE 99.5% AR (heptahydrate)
CAS Number
7446-20-0
Molecular Formula
ZnSO4ยท7H2O
Catalogue No.
AL1610A
Molecular Weight
287.54 g/mol
Batch Number
AL-2026-AL1610A
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Assay | 99.5% min | 99.7% |
| Moisture Content | < 0.5% | 0.3% |
| Residue on Ignition | < 0.1% | 0.05% |
| pH (1% solution) | 4.0 - 6.0 | 5.2 |
| Related Substances | None detected | None detected |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane