Zinc sulphate

Serves as the antalkaline which in the printing industry the mordant, Variamine the blue salt dyes. Is the manufacture mineral pigment (for example lithopone), other zinc salts (for example zinc stearate, basic zinc carbonate) and contains the zinc catalyst primary data. Serves as the lumber and the leather preservation medicinal preparation, the bone glue clarifies and the preserved medicinal preparation. The pharmaceutical industry serves as the emetic. May also use in preventing the fruit tree plant nursery plant disease and manufacture electricity the cable as well as the zinc micro fat and so on aspects. Eats the grade product to be possible to serve as the nutrition enriching substance (zinc reinforcement) and so on. Name: Zinc sulphate Molecular formula:ZnSO4·7H2O Molecular weight:287.54 Specification: AR Standard:GB/T666—93 Appearance: Colorless crystals Test itemTest StandardAssay99.5% Appearance of solution To pass testwater-insoluble0.01%Total nitrogen0.001%Chloride0.0005%Sulfur compounds0.002%Cuprum0.001%Cadmium0.0005%Plumbum0.001%Arsenic0.00005%Manganese0.0003%Iron0.0005%substances not preci0.05%