Skin diseases caused by zinc and its compounds

1.Industrial application Zinc is mainly extracted from polymetallic sulfide ores, mainly used for alloy manufacturing. Its compound zinc chloride (ZnCl2) is used in the production of tempered paper, wood preservation, batteries, etc .; zinc sulfate (ZnS04middot; 7H2O) is used in electroplating, tanning, cotton and pharmaceutical industries; zinc chromate (ZnCrO4) is used in pigments, Manufacture of paint; zinc oxide (ZnO) is used as paint for paint and rubber, filler for plastics and pharmaceuticals. 2. Physical and chemical properties Zinc is an off-white metal. It is insoluble in water, soluble in strong acids or alkaline solutions. The most prominent industrial effects on human skin are the irritation response caused by contact with zinc salt solution, and the foundry heat caused by contact with zinc oxide soot.

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