Certificate of Analysis
Product Name
SULPHUROUS ACID (aqueous solution)
CAS Number
7782-99-2
Molecular Formula
H2SO3
Catalogue No.
AL1493A
Molecular Weight
82.08 g/mol
Batch Number
AL-2026-AL1493A
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | A clear colorless liquid | A clear colorless liquid |
| Assay (as SO2) | Min. 5-6% | 6.08% |
| Residue on ignition | <0.002% | 0.001% |
| Arsenic (As) | <0.00005% | <0.00005% |
| Heavy metals (as Pb) | <0.0001% | <0.0001% |
| Chloride (Cl) | <0.0005% | 0.0004% |
| Iron (Fe) | <0.0001% | <0.0001% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
