Certificate of Analysis
Product Name
PHOSPHOTUNGSTIC ACID Exta Pure (hydrate)
CAS Number
12501-23-4
Molecular Formula
H3[P(W3O10)4]·xH2O
Catalogue No.
AL01192
Molecular Weight
2880.17 g/mol (anhydrous basis)
Batch Number
AL-2026-AL01192
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | White or yellowish green crystalline powder | White crystalline powder |
| Substance insoluble in water | <0.01% | <0.01% |
| Chloride (Cl) | <0.01% | <0.01% |
| Sulphate (SO4) | <0.01% | <0.01% |
| Total nitrogen (N) | <0.005% | <0.005% |
| Lead (Pb) | <0.005% | <0.005% |
| Iron (Fe) | <0.002% | 0.001% |
| Copper (Cu) | <0.001% | <0.001% |
| Loss on ignition at 750°C | <17% | 15.42% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane