Sodium tripolyphosphate

Product name: Sodium tripolyphosphate
Cas no.: 7758-29-4
Na5P3O10, % ≥ 95
P2O5, % ≥ 57.0
Fluoride (F), % ≤ 0.003
Arsenic (As), % ≤ 0.0003
Heavy metals (Pb), % ≤ 0.001
Chloride (Cl), % ≤ 0.025
Sulfate (SO42-), % ≤ 0.4
Water insoluble, % ≤ 0.05
pH (10g/l solution): 9.5-10.0
Whiteness (W10), % ≥ 85
Appearance: White granularity or powder