Listing ID #6714247
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Contact SupplierAppearance | Dark green crystalline powder |
Assay | Min 93% |
pH (5% solution in water) | 2.0 - 3.0 |
Sulphate (SO4) | Max 0.05% |
Copper (Cu) | Max 0.001% |
Iron (Fe) | Max 0.01% |
Lead (Pb) | Max 0.005% |
Substance not precepitated by NH3 (as SO4) | Max 0.2% |