Parameters	Standards
NaPO (%)	94Min
PO (%)	57Min
Iron (as Fe%)	0.01Max
Heavy Metals (as Pb%)	-------
Arsenic (as As%)	-------
Fluoride (as F%)	-------
Water insoluble (%)	0.1Max
Whiteness degree (%)	90Min
PH value of 1% water solution	9.2-10.0
Sieve residue with grain size 1.00mm	95Min

 

Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, 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 dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.