Specifications | Phosphoric Acid Industrial Grade | Phosphoric Acid Food Grade |
Appearance | Colorless, transparent syrupy liquid or in very light color | |
Colour | ≤ 30 | ≤ 20 |
Assay (as H3PO4 ) | ≥ 85.0% | ≥ 85.0% |
Chloride(as Cl- ) | ≤ 0.0005% | ≤ 0.0005% |
Sulphats(asSO42- ) | ≤ 0.005% | ≤ 0.003% |
Iron (Fe) | ≤ 0.002% | ≤ 0.001% |
Arsenic (As) | ≤ 0.005% | ≤ 0.0001% |
Heavy metals,as Pb | ≤ 0.001% | ≤ 0.001% |
Oxidable matter (asH3PO4) | ≤ 0.012% | no |
Fluoride,as F | ≤ 0.001% | no |