Phosphoric acid is one of the food additives, used in food as a sour agent, yeast nutrition.
CAS # 7664-38-2
Phosphoric acid is one of the food additives, used in food as a sour agent, yeast nutrition.
Phosphoric acid is mainly used in the manufacture of various phosphate, such as ammonium phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, trisodium phosphate, etc and condensation phosphate class.
| ITEMS | UNIT | SPECIFICATIONS | ANALYSIS RESULT | DETERMINATION |
| Assay as(H3PO4) (%) | % | ≥85 | 85.2 | PASS |
| Arsenic as As | % | ≤0.00005 | 0.00002 | PASS |
| FLUORIDE AS F | % | ≤0.001 | 0.0002 | PASS |
| H3PO3 | % | ≤0.012 | 0.007 | PASS |
| HEAVY METAL AS Pb | % | ≤0.0005 | 0.0003 | PASS |
| COLOR | 10 | 10 |
1. Food-grade phosphoric acid (additive E338) is used to acidify foods and beverages such as various colas. It provides a tangy or sour taste.
2. Phosphoric acid may be used to remove rust by direct application to rusted iron, steel tools, or other surfaces.
3. Phosphoric acid is used in dentistry and orthodontics as an etching solution, to clean and roughen the surfaces of teeth where dental appliances or fillings will be placed.
4. As an additive to stabilize acidic aqueous solutions within a wanted and specified pH range
5. As a dispersing agent in detergents and leather treatment
6. As a pH adjuster in cosmetics and skin-care products
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