Сульфат натрия PH9-11 / PH6-8

Sodium Sulphate Anhydrous[New standard]: GB/T6009-2003[Product classification]: Industrial anhydrous sodium sulphate are classified into three types according to its use: Type I: Mainly used for synthesis of detergent and vinylon. Type II: Mainly used in industries such as dye, glass and paper. Type III: As industrial raw material for inorganic salts. 1.Appearance: the grade A products of both type I and type II should be white crystalline granules with no aggregation and no mechanical impurities. 2.Industrial anhydrous sodium sulphate should meet the following requirements:ItemValueType IType IIGrade AGrade Asodium sulphate content, Na2SO4 %>99.198.3water insoluble substance %<0.040.08calcium and magnesium content (in Mg), %<0.100.25chloride content (in CL), %<0.250.60iron(Fe) content, %<0.00150.008moisture, %<0.100.30whiteness, % min8680