ITEM | STANDARD |
Appearance | White to off-white powder |
Assay (%) | 99.0 - 101.0 |
Loss on drying (%) | ≤ 1 |
Heat Stability | No change in colour after heating for 90 minutes at 105℃ |
Acidity (as C6H8O2, %) | ≤ 1 |
Alkalinity (as K2CO3, %) | ≤ 1 |
Chloride (as Cl, %) | ≤ 0.018 |
Aldehydes (as formaldehyde, %) | ≤ 0.1 |
Sulfate (as SO4, %) | ≤ 0.038 |
Arsenic | ≤ 3 mg/ kg |
Lead | ≤ 2 mg/ kg |
Mercury | ≤ 1 mg/ kg |
Heavy Metals (as PB) | ≤ 10 mg/ kg |
Oxidizer | None |