The Sodium Sulphate Anhydrous min 99%, White content purity min 88%, Industrial Grade ... Chemical Co., Ltd. locates in Qingdao,the beautiful seaside city ,which engages in the manufacturing and marketing of Sodium sulfate , Cryolite , Soda ... 100.25chloride content (in CL), %<0.250.60iron(Fe) content, %<0.00150.008moisture, %<0.100.30whiteness, % min8680 Manufacturer of Sodium Sulphate Anhyrous(SSA)99%