Packaging Material: | Paper Box/Drum |
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Storage Method: | in Dark and Dry |
Shelf Life: | 2 Years |
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Testing Item | Standard | Yellow Crystalline Powder |
Appearance | Pale red to brown powder, hygroscopicity | Pale red powder, hygroscopicity |
Assay (on dry basis) | 0.90%~1.30% | 1.00% |
Identification | Have maximum absorption at 361±1nm, 550±2nm | conforms |
Grain Size | All through the 0.25mm standard screen | conforms |
Loss on Drying | ≤12.0% | 9.0% |
Arsenic | ≤3 mg/kg | <3 mg/kg |