1,STPP, industrial grade 2,94%, white powder 3,Used as main auxiliary of synthetic wash, soap synergistic ... (1%Solution)9.5-10.0Iron (Fe), %, Max.0.015Fluoride (F), %, Max.0.003Chloride (Cl), %, Max.0.025Sulphate (as SO4), %, Max ... , and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer ...