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Zinc Sulphate
Case No.:7446-20-0; H.S. Code: 28332600.00Zinc Sulfate is a very water soluble, clear, crystalline compound prepared by heating zinc sulphide ore in air and dissolving out and recrystallizing the sulphate. It is commonly used as the heptahydrate form; it occurs naturally as the mineral goslarite, and can be prepared by reacting zinc with sulfuric acid. The crystalline sulfate is known commonly as white vitriol. It loses water at 30 to give the hexahydrate and more water is lost at 70 to form the monohydrate. The anhydrous salt forms at 280 and this decomposes above 500. It is used in agriculture as a weed killer and to give protection against pests; It is used to supply zinc in animal feeds and fertilizers; It is also an important constituent of the precipitating bath in the manufacture of viscose rayon and in electrolyte for zinc plating; It functions as a mordant in dyeing; as a preservative for skins and leather; and as an astringent and emitic in medicine.
Zinc Sulphate
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