... material which is used for industry,widely used for washing,Sodium Sulphide,textile print,glass,paper-making,leather manufacturing,metallurgy,synthetic ... .Chemical analysis table of sodium sulfate anhydrous NumberItemsUnit of the measureStandard valueInspection resultJudgment1Sodium sulfateg/100gAbove 9999.28Qualified2Water insoluble matterg/100gLow than 0 ...