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Cupric Sulfate | Export AR grade | A.R. | C.P. | USP31 | PCB grade | Fine grade | HG/T35921999 Electroplating Grade | Feed grade |
---|---|---|---|---|---|---|---|---|
Assay(CuSO4?H2O)% | ≥99.5 | ≥99.0 | ≥99.0 | 98.5~100.5 | ≥99.0 | ≥99.0 | ≥98.5 | ≥98.5 |
Copper(Cu)% | —— | —— | —— | —— | ≥25.15 | ≥25.15 | ≥25.0 | ≥25.0 |
Water insoluble% | ≤0.003 | ≤0.005 | ≤0.01 | —— | ≤0.005 | ≤0.02 | ≤0.005 | ≤0.2 |
Chlorides(Cl)% | ≤0.0005 | ≤0.001 | ≤0.002 | —— | ≤0.002 | ≤0.02 | ≤0.001 | —— |
Total Nitrogen£¨N£©% | ≤0.002 | ≤0.001 | ≤0.003 | —— | ≤0.001 | ≤0.001 | ≤0.001 | —— |
Lead(Pb)% | —— | —— | —— | —— | ≤0.005 | ≤0.005 | ≤0.005 | ≤0.001 |
Iron(Fe)% | ≤0.002 | ≤0.003 | ≤0.020 | ≤0.003 | ≤0.005 | ≤0.01 | ≤0.005 | —— |
Sodium(Na)% | ≤0.005 | ≤0.005 | ≤0.015 | ≤0.02 | —— | ≤0.005 | —— | —— |
Potassium(K)% | ≤0.001 | ≤0.001 | ≤0.004 | ≤0.01 | —— | ≤0.001 | —— | —— |
Nickel(Ni)% | ≤0.002 | ≤0.005 | ≤0.015 | ≤0.005 | ≤0.0005 | ≤0.005 | ≤0.0005 | —— |
Calcium(Ca)% | ≤0.001 | —— | —— | ≤0.005 | ≤0.0005 | —— | —— | —— |
Antimony(Sb)% | —— | —— | —— | —— | ≤0.006 | —— | ≤0.006 | —— |
Arsenic(As)% | ≤0.0001 | —— | —— | —— | ≤0.0005 | —— | —— | ≤0.0004 |
Magnesium(Mg)% | ≤0.001 | —— | —— | —— | —— | —— | —— | —— |
Loss on drying% | —— | —— | —— | 33.0~36.5 | —— | —— | —— | —— |
PH£¨5%20¡æ£© | 3.8-4.5 | —— | —— | —— | 3.5-4.5 | 3.5-4.5 | 3.5-4.5v | ¡¡ |
Organic volatiles | —— | —— | —— | Pass | —— | —— | —— | —— |
Zinc (Zn)% | ≤0.002 | ≤0.03 | ≤0.06 | —— | ≤0.02 | ≤0.03 | ≤0.002 | —— |
Fineness(60-mesh sieve residue)% | —— | —— | —— | —— | —— | —— | —— | ≤5 |
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