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Industrial Grade (HG/T2326-92)
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Feed Grade (HG/2934-2000)
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Content (ZnSO4.7H2O)≥98.0%
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Content (ZnSO4.7H2O)≥98.0%
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Zinc (Zn)≥22.51%
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Zinc (Zn)≥22%
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PH Value (50g/l Solution)≥3.0
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Arsenic (As)≥0.0005%
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Chloride≤0.2%
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Lead (Pb)≤0.0001%
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Lead (Pb)≤0.002%
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Cadmium (Cd)≤0.002%
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Manganese (Mn)≤0.001%
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Fineness (Passing Through 250um Screen Cloth≥95%
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