Phosphoric acid,technical
- Chemical name : phosphoric acid,technical
- Molecular formula : H3PO4
- Molecular weight : 97.99
- Property : Clear, syrupy liquid; medium acid.
Specification : in conformity with GB2091-92
| H3PO4 |
≥85.00% |
- |
| Chloride (Cl) |
0.00006%≤ |
Cl≤0.0002% |
| Sulfate(SO4) |
0.0003%≤ |
SO4≤0.0015% |
| Fe |
0.0002%≤ |
Fe≤0.0012% |
| Heavy metal(Pb) |
0.0003%≤ |
Pb≤0.0009% |
| As |
0.0020%≤ |
As≤0.0040% |
| colority(Pt-Co) |
5-15 |
- |
Use :
In the manufacture of superphosphates for fertilizers, other phosphate salts, polyphosphates, detergents. Acid catalyst in making ethylene, purifying hydrogen peroxide. As acidulant and flavor, synergistic antioxidant and sequestrant in food. Pharmaceutic aid (solvent). In dental cements; process engraving; rustproofing of metals before painting; coagulating rubber latex; as analytical reagent.
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