CAS: 7758-99-8
Molecular formula: CuSO4 5H2O
Specification: blue crystal
Packing: 25kg per plastic bag, sealed packaging. Stored in a cool dry place.
Use: Analytical reagents, catalysts, mordants, colorants, rayon pigments, sources of other copper salt.
Copper sulfate crystal |
Electronic grade |
Superior grade(Plating grade) |
First grade(Plating grade) |
Item |
Index |
Index |
Index |
Content (CuSO4.5H2O) ≥ |
99% |
98% |
98% |
Chloride (Cl) ≤ |
0.0015% |
0.002% |
0.01% |
PH value(5%,20°) |
3.5~4.5 |
3.5~4.5 |
3.5~4.5 |
Fe ≤ |
0.001% |
0.002% |
0.005% |
Ni ≤ |
0.0005% |
0.0005% |
0.005% |
Zn ≤ |
0.001% |
0.005% |
0.005% |
As ≤ |
0.0005% |
0.0005% |
0.001% |
Pb ≤ |
0.001% |
0.001% |
0.005% |