Address:Zhongjia Village, Putong Town, Qingzhou City, Shandong Province. China Zip:262500
Features: 1) CAS registry number: 97-59-6 2) Cosmetic grade: a) White crystal powder b) Assay (%): 99 min. c) Heavy metal (ppm): 10 max. d) Cl(Chloride) (%): 0.05 max. e) SO42 (%): 0.01 max. f) Ashes (%): 0.1 max. g) Loss on drying (%): 0.5 max. h) PH: 5 ~ 6 3) Premium grade (test specification): a) White crystalline powder b) PH: 5 ~ 6 c) Heavy metal: ≤1ppm d) Cl(Chloride): ≤0.01 (%) e) SO42: ≤1ppm f) Reducing substances: conform g) Ashes (%): ≤0.1 h) Loss on drying (%): ≤0.1
