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Copper powder
Molecular formula: Cu
Molecular weight: 63.54
Purity ≥ | 99.8% |
Fe ≤ | 0.015% |
Pb ≤ | 0.03% |
Water ≤ | 0.05% |
As ≤ | 0.005% |
Sb ≤ | 0.001% |
Bi ≤ | 0.002% |
Ni ≤ | 0.003% |
Sn ≤ | 0.004% |
Zn ≤ | 0.004% |
Sulfate(SO4) ≤ | 0.01% |
Chloride (Cl) | 0.004% |
Residue on ignition (after HNO3 transact) ≤ | 0.05% |