Technical specification

Industry grade

Food grade

Assay ( as NaH₂PO₄) %

≥98

≥98

P₂O₅ %

≥58

≥58

pH value ( 1% solution)

4.2-4.8

4.2-4.8

Water insoluble matter %

≤ 0.1

≤ 0.05

Sulfate ( as SO₄) %

≤0.50

≤0.06

Chloride ( as CL ) %

≤0.20

≤0.05

Fluoride ( as F ) %

≤0.01

≤0.001

Heavy metal ( as Pb ) %

≤0.003

≤0.001

Arsenic ( as As ) %

≤0.005

≤0.0003