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Products List >> Zinc sulfate
Quality standard( HG/T2326-92,HG/2934-2000) |
| Item |
ZnSO4•H2O |
ZnSO4•7H2O |
| Top-grade |
First grade |
Qualified product |
Top-grade |
First grade |
Qualified product |
| Purity≥ |
98.0 |
97.0 |
95.0 |
99.0 |
97.0 |
92.0 |
| Zn%≥ |
35.70 |
35.34 |
34.61 |
22.51 |
22.06 |
20.92 |
| PH(50g/L)≤ |
4.0 |
4.0 |
........ |
3.0 |
3.0 |
........ |
| Cl%≤ |
0.20 |
0.60 |
....... |
0.20 |
0.60 |
........ |
| Pb%≤ |
0.002 |
0.007 |
0.010 |
0.002 |
0.010 |
0.010 |
| Fe%≤ |
0.008 |
0.020 |
0.060 |
0.0050 |
0.020 |
0.060 |
| Mn%≤ |
0.01 |
0.03 |
0.05 |
0.01 |
0.10 |
........ |
| Cd%≤ |
0.002 |
0.007 |
0.010 |
0.002 |
0.010 |
........ |
| Cu%≤ |
0.001 |
......... |
........ |
0.002 |
......... |
........ |
| Insoluble matter %≤ |
0.020 |
0.050 |
0.10 |
0.020 |
0.050 |
0.10 |
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