... main auxiliary of synthetic wash, soap synergistic agent, water softener, etc. Specification:NA5P3O10P2O5INSOLUBLE IN WATERPH 1% AQUEOUS SOLUTIONLOSS ... metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity. ... , calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of ...