Phosphoric acid BP
| Test | Specification….BP |
| Characters | It occurs as a clear, colorless, syrupy liquid, corrosive |
| Identification
Test(A)
Test(B) |
(a) Dilute with water R. The solution is strongly acid (b) Solution S neutralised with dilute sodium hydroxide solution R gives positive reaction of phosphate. |
| Solubility | Miscible with water and with ethanol (96%) |
| Relative density | About 1.7 |
| Appearance of Solution | Solution S is clear and colorless |
| Substances precipitated with ammonia | Specified Test. |
| Hypophosphorous acid and phosphorous acid | Specified Test. The solution shows no change in appearance |
| Chlorides | Not more than 50 ppm |
| Sulfates | Not more than 100 ppm |
| Arsenic | Not more than 2 ppm |
| Iron | Not more than 50 ppm |
| Assay | Not less than 84.0% and not more than 90.0% |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.
