Zinc Sulfate White Powder

Zinc sulfate is colorless or white crystals, particles or powder, alias Hao alum. Odorless. Sweet astringent. Weathering in dry air, 280 ℃ all the water loss, 500 ℃ above decomposition. 1g dissolved in 0.6ml water, 2.5ml glycerol, insoluble in ethanol. The aqueous solution of litmus acidic, pH of about 4.5. Containing 1 molecule crystal water is less likely to clump. The relative density of 1.97. Melting point 100 ℃. The minimum lethal dose (rat, oral) 2200mg kg. Irritating. For the manufacture of lithopone, and as a mordant, astringent, wood preservatives. Zinc sulfate is mainly used as a raw material for pigment lithopone, lithopone and other zinc compounds. It is also used as an animal feedstock for zinc deficiency, animal husbandry feed additive, zinc fertilizer (trace element fertilizer) for crops, rayon Of the important materials, electrolysis of electrolytic zinc metal electrolytes, mordant in the textile industry, medical emetic, astringent, fungicide, wood and leather preservatives. By zinc or zinc oxide and sulfuric acid role or by the sphalerite in the furnace baking after extraction refining derived.