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Specification
Test items | Specifications | Results |
Appearance | White or almost white crystalline | White or almost white crystalline |
Identification | Positive | Positive |
Residue on ignition | ≤0.5% | 0.05% |
Heavy metals | ≤20ppm | 5ppm |
As | ≤1ppm | ≤1ppm |
Pb | ≤1ppm | ≤1ppm |
Loss on drying | ≤0.5% | 0.15% |
Organic volatile impurities | Accord with USP30 | Accord with USP30 |
Total Impurities | ≤1.5% | Conform |