Specifications
 Industrial Grade
 Food Grade
 
H3PO4 % ≥
 85.0
 85.0
 
Chloride (as Cl-) % ≤
 0.0005
 ---
 
Sulphate (SO4-) % ≤
 0.005
 ---
 
Iron (Fe) % ≤
 0.002
 ---
 
Arsenic (as As) % ≤
 0.005
 0.00005
 
Heavy metals (as Pb) % ≤
 0.001
 0.0005
 
Oxidable (as H3PO3) % ≤
 ---
 0.012
 
Fluoride (as F) % ≤
 ---
 0.001
 
Colour ≤
 30
 20