we are offering Sodium Sulphate. CHEMICAL NAME : SODIUM SULPHATE CHEMICAL FORMULA : Na2SO4 RESULT OF ANALYSIS: APPEARANCE : WHITE CRYSTALLINE POWDER Na2SO4 : 99% +- 0.5% WATER INSOULBLE : 0.05% MAX PH (1% SOLU) : 6-8 IRON : 0.002% MAX APPLICATION : PAPER GLASS PRINTING & DYEING LEATHER, ETC PACK : 50 KG HDPE BAGS REPORT : The sample complies with the prescribed standard quality