| CAS No.: | 62-54-4 |
|---|---|
| Formula: | C4h6cao4 |
| EINECS: | 269-613-0 |
|
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Items | Standards | ||
Appearance | White powder | ||
Assay (on dried basis) | 99.0-100.5% | ||
pH (10% Solution) | 6.0- 9.0 | ||
Loss on drying (155℃, 4h) | ≤ 11.0% | ||
Water insoluble matter | ≤ 0.3% | ||
Formic acid, formates and other oxidizable | ≤ 0.1% | ||
Arsenic (As) | ≤ 3 mg/kg | ||
Lead (Pb) | ≤ 5 mg/kg | ||
Mercury (Hg) | ≤ 1 mg/kg | ||
Heavy metals | ≤ 10 mg/kg | ||
Chlorides (Cl) | ≤ 0.05% | ||
Sulfate (SO4) | ≤ 0.06% | ||
Nitrate (NO3) | Pass test | ||
Organic volatile impurities | Pass test |
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