High purity, low heavy metal contents ; Hard to get cakings or lumps COA Of Zinc Sulphate Monohydrate ItemsSpecificationActual Resuits I Type (Zinc Sulfate Monohydrate)II Type(Zinc Sulfate Heptahydrate) Content of Zn ≥34.5%≥22.0%35.26% Content of Pb≤0.002%≤0.001%0.0005% Content of As≤0.0005%≤0.0005%0.0003% Content of Cd≤0.003%≤0.002%0.0006% Content of Fe------- ------ zinc sulphate monohydrate 35 ...
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