... synergistic agent, water softener, etc. Specification:NA5P3O10P2O5INSOLUBLE IN WATERPH 1% AQUEOUS SOLUTIONLOSS ON IGNITION @ 140’CPASSING THROUGH US ... in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution ... for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as ...