| NO. | Specifications | Phosphoric Acid Industrial Grade | Phosphoric Acid Food Grade |
| 1 | Appearance | Colorless, transparent syrupy liquid or in very light color |
| 2 | Colour =< | 30 | 20 |
| 3 | Assay (as H3PO4 )% >=</td> | 85.0 | 85.0 |
| 4 | Chloride(as Cl- )% =< | 0.0005 | 0.0005 |
| 5 | Sulphats(asSO42- )% =< | 0.005 | 0.003 |
| 6 | Iron (Fe)% =< | 0.002 | 0.001 |
| 7 | Arsenic (As)% =< | 0.005 | 0.0001 |
| 8 | Heavy metals,as Pb% =< | 0.001 | 0.001 |
| 9 | Oxidable matter (asH3PO4)% =< | | 0.012 |
| 10 | Fluoride,as F% =< | | 0.001 |
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