Potassium Sulphate

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Product Name: Potassium Sulphate Molecular formula：K2SO4 Molecular weight：174.24 CAS NO: 7778-80-5 HS CODE: 31043000 Property: Potassium Sulphate is colorless or white hexagonal or rhombic crystal or granular powder. The relative density is 2.662. The inversion point is at 588°C , the melting point is at 1069°C and the boiling point is at 1689°C .It is soluble in water(12g/100ml water at 25°C ;24.1g/100ml water at 100°C) and insoluble in alcohol, acetone and carbon bisulfide. It tastes bitter and salty. Inspection ltem Unit Fine Grade Feed Grade First Grade Assay（K2SO4） % ≧ 99.0 98.5 98.5 Insoluble matter in water % ≦ 0.3 —— 0.5 Chloride(as Cl -) % ≦ 0.03 —— 0.05 Calcium % ≦ 0.03 0.03 0.03 Heavy Metal (as Pb) % ≦ 0.001 0.002 0.002 Iron % ≦ 0.005 0.005 0.02 PH(50g/L,25℃) - 6.0~8.0 6.0~8.0 6.0~8.0 Size（120 mesh） 120mesh 120mesh 120mesh Appearance white crystal without any impurity visible to the naked eye

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shanxi wencheng chemicals co.,ltd

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