Zinc sulphate powder Raw Materials CAS 7733-02-0

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Uses and synthesis of Zinc sulphate powder

Zinc sulphate powder, also known as alum, zinc alum, colourless or white rhombohedral crystals or powder at room temperature, astringent, Zinc sulphate CAS 7733-02-0 is soluble in water, the aqueous solution is acidic, slightly soluble in ethanol and glycerol.Zinc sulphate Raw Materials does not turn yellow when stored in air for a long time, and becomes white powder when placed in dry air and losing water. Zinc sulphate Raw Materials does not turn yellow when stored in air for a long time, but becomes white powder when it loses water in dry air.

Applications / Functions of Zinc sulphate powder

Zinc sulphate powder Used as printing and dyeing mordant, wood preservative, paper bleaching agent, but also used in medicine, synthetic fibres, electrolysis, electroplating, pesticides and the production of zinc salts and so on.

Physicochemical Property of Zinc sulphate powder

Zinc sulphate CAS 7733-02-0 Chemical formula ZnSO4, colourless rhombohedral crystals, relative density 3.54, decomposed into zinc oxide when heated to 770℃. The hydrate has Zinc sulphate monohydrate ZnSO4-H2O, white powdery crystal, relative density is 3.31, heated to 280 ° C water loss to become anhydrous;

Production methodprocess of Zinc sulphate powder

1. Zinc or zinc oxide dissolved in sulphuric acid will produce Zinc sulphate Raw Materials 
2. Crude Zinc sulphate powder can also be produced by roasting Zinc sulphide (sphalerite) in air.
3. Zinc sulphate can also be formed by the replacement reaction of zinc with a solution of an inactive metal sulphate (e.g. copper sulphate) CAS 7733-02-0 

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