Analytics | Specification |
Assay | ≥98.0% UV / 60% HPLC |
Appearance | White or slightly yellowish fine powder |
Clarity of solution | Clear |
PH | 5.0~6.0 |
Loss on drying | ≤8.0% |
Residue on ignition | 18.0~22.0% |
Heavy metals | ≤10ppm |
Arsenic | ≤2ppm |
Chloride | ≤0.014% |
Sulfate | ≤0.03% |
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