タイトルまたは説明

Synonyms]: Sodium phosphate dodecahydrate; Trisodium phosphate dodecahydrate [Chemical formula]: Na3PO4 *2H2O [Molecular weight]: **0.*2 [Properties]: White or colorless crystals, effloresce in air, soluble in water easily but not in organic solvent. Water solution is alkaline. PH value of 1% solution is *2.1. Density is 1.*2, melting point is *3.4℃. [Uses]: Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in fabric dyeing and flux in enamel ware manufacturing, and so on. [Standard executed]: HG/T******3 Specifications Specifications Technical grade Food grade Main content, as Na3PO4·*2H2O. min *5 *8.0 Phosphorus pentoxide, as P2O5. min *7.7 *8.3 Chloride, as Cl. max 0.*0 0.*2 Arsenic, as ***** _ 0.***3 Fluoride, as F. max _ 0.**5 Heavy metals, as Pb. max _ 0.**1 Sulfate, as SO**-. max 0.*0 0.*0 Water insoluble. max 0.*0 0.*0 Sodium oxide, as Na2O. max *5.5－*9.0 *6.0－*9.0 Plastic knit bag, Net weight *5 kg TEL:***********8 QQ:********9 Fax:***********7 MSN:***** http://***** Email:***** http://***** http://*****