Sodium sulphate anhydrous Purity: 99% Specification: standard, analysis result1) Appearance: powder, powder2) Color: white, white 3) Purity: min. 99%, 99.12%4) Chloride (Cl) content: max. 0.355%, 0. 23%5) Ca+Mg content: max. 0.15%, 0.13%6) Fe content: max. 0.002%, 0.001%7) Moisture: max. 0.2%, 0.15%8) Water insoluble: max. 0.05%, 0.03%9) Whiteness: min. 82, 8910) Cr: max. 10PPM, 9PPM11) Cu: max. ...