Certificate of Analysis
Product Name
ZINC SULPHITE 98% (dihydrate)
CAS Number
7488-52-0
Molecular Formula
ZnSO3·2H2O
Catalogue No.
AL01612
Molecular Weight
181.15 g/mol
Batch Number
AL-2026-AL01612
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Moisture Content | ≤ 1% | 0.5% |
| Residue on Ignition | ≤ 1% | 0.3% |
| Solubility | Sparingly soluble in water | 0.08 g/L at 25 °C |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane