Trisodium Phosphate

Na3PO4·12H2O, % ≥:98.0
Alkalinity of methyl orange (Na2O), %:16.0-19.0
Water insoluble, % ≤:0.10
Sulfate (SO4), % ≤:0.50
Chloride (Cl), % ≤:0.30
Arsenic (As), % ≤:0.0003
Heavy metals (Pb), % ≤:0.001
Fluoride (F), % ≤:0.005
Appearance:White crystal