... in Food & Beverage 1.White microdot powder with luster 2.Mainly as chemical auxiliary 3ISO9001,ISO22000,KOSHER,GMP, phosphate in Food & BeverageChemical ... to some metal ions such as Ca2+ ,Mg2+ ,can soften hard water, change suspension into solution, alkalescent, ... , calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum ...