... White microdot powder with luster, melting point at 622 o C, easily soluble in water, with remarkable chelating ability to ... poultry process.3, Specifications: 1. Industrial grade Main content, %; 94.0 P2O5%≥ 57.0 Water insoluble %; 0.1 Iron, as ... 9.2-10.0 2. Food grade Main content, %: 94.0 P2O5%; 57.0 Water insoluble %; 0.05 Iron, ... up in the open air. 2011Hot sale Sodium Tripolyphosphate(94.0% min)