Certificate of Analysis
Product Name
MAGNESIUM TRISILICATE POWDER HYDRATE Extra Pure
CAS Number
39365-87-2
Molecular Formula
2MgO·3SiO2·aq
Catalogue No.
AL00934
Molecular Weight
260.86 g/mol
Batch Number
AL-2026-AL00934
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | A fine white powder | A fine white powder |
| Assay (as MgO, with ref to the ignited subs.) | Min. 29.0% | 29.21% |
| Alkalinity | Passes IP test | Passes IP test |
| Arsenic (As) | <4 ppm | 3 ppm |
| Heavy metals | <40 ppm | 26 ppm |
| Chloride | <0.05% | <0.05% |
| Sulphate | <0.5% | 0.4% |
| Acid absorption | Passes IP test | Passes IP test |
| Water soluble salts | Passes IP test | Passes IP test |
| Loss on ignition at 900°C | 17.0 – 34.0% | 25.1% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane