Sodium Sulphate is the inorganic compound with chemical formula as Na2SO4 and also known as Sodium Sulfate, Glaubers salt. It is fully Soluble in Water.The major production of sodium sulphate are the processes where surplus Sodium Hydroxide is being neutralize by sulphuric acid or surplus acid is being neutralize by Sodium hydroxide.Sodium Sulphate Anhydrous is being used in :Textile IndustriesPulp and Paper IndustriesDetergent Mfg IndustriesDyestuff Mfg IndustriesGlass Mfg IndustriesS. No. Parameters Specification1 Appearance White Free Flow2 Assay% 98% above3 Moisture 0.50% Max4 pH(10% in Water) 6 to 85 Water Insoluble Matter% 0.2% max6 Calcium 10 ppm Max7 Magnesium 09 ppm Max8 COD 300 ppm9 Solubility Clear transparent Solution10 Water Hardness 19 ppm max11 Iron as Fe 0.001% max12 Sulphite Nil