... (base on Na5P3O10),%94MIN902Phosphorus pentoxide,%57MIN56.53Insoluble substance in water,%0.04MAX0.084Iron content,%0.006MAX0.0075Whiteness,% ... , and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making ... , organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as ...