Certificate of Analysis
Product Name
SODIUM METASILICATE 98% Extra Pure (nonahydrate) (powder)
CAS Number
13517-24-3
Molecular Formula
Na2O3Si·9H2O
Catalogue No.
AL1395A
Molecular Weight
284.20 g/mol
Batch Number
AL-2026-AL1395A
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | Off white crystalline powder | Off white crystalline powder |
| Chloride (Cl) | <0.05% | 0.04% |
| Sulphate (SO4) | <0.05% | <0.05% |
| Iron (Fe) | <0.005% | 0.0028% |
| Heavy metal (as Pb) | <0.001% | 0.000057% |
| Loss on ignition (at 700°C) | 35 - 50% | 37.89% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
