Zinc sulfate

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Zinc sulfate

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

 

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