Specification
Items | Specification | Result |
Appearance | Pale yellow brown or brown powder | Brown powder |
Purity | ≥99% | 99.2% |
Water | ≤3.0% | Conform |
Residue on ignition | ≤0.2% | Conform |
Heavy metals | ≤20ppm | Conform |
Related substance | Total impurities≤1.0% Individual impurity≤0.3% | Conform Conform |
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