Disodium phosphate

الوصف

Molecular formula:Na2HPO4 nH2O(N=0, *2) Molecular weight:**2, **8 Content:*8% Specification:tech and food grade CAS NO.:********4 Properties:White or colorless crystalline Purpose:Used as a fire-preventio agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder , etc. Packing:Plastic woven bag. Net weight *5 Kg, Standard: Item Unit Specification Anhydrous Hydrate Tech grade Food grade Tech grade Food grade Main content： % *8 min *8 min *8 min *8 min Ph of 1% water solution: - 8.***0.0 8.***0.0 8.**9.2 8.**9.2 Chloride as Cl: % *- *- 0.*5 max 0.**4 max Sulfate as SO4: % *- *- 0.7 max 0.*5 max Heavy metal as Pb: % *- 0.**1 max *- 0.**1 max Arsenic as As: % *- 0.***3 max *- 0.***3 max Fluoride as F: % *- 0.**5 max *- 0.**5 max Water insoluble: % 0.*5 max 0.*5 max 0.*5 max 0.*5 max