| Sr. No. |
Characteristics |
Unit |
Requirements |
| 1. |
Appearance |
- |
Free flowing white powder |
| 2. |
Taste |
- |
Tasteless |
| 3. |
Odor |
- |
Odorless |
| 4. |
Solubility |
- |
Soluble in dilute hydrochloric
acid & in dilute nitric acid. insoluble in water & in
ethanol |
| 5. |
Identification |
- |
Complies |
| 6. |
Acid insoluble substances |
% |
Max 0.1 |
| 7. |
Carbonates |
- |
Complies |
| 8. |
Chloride |
% |
Max 0.125 |
| 9. |
Sulphate |
% |
Max0.5 |
| 10. |
Arsenic |
ppm |
Max 10 |
| 11. |
Barium |
- |
Complies |
| 12. |
Heavy Metals (as Pb) |
ppm |
Max 40 |
| 13. |
Iron |
ppm |
Max 400 |
| 14. |
Nitrate |
- |
Complies |
| 15. |
Assay as CaHPO42H2O |
% |
98.0 to 105.0 |
| 16. |
Loss on ignition (500°C) |
% |
24.5 to 26.5 |
| 17. |
Reducing substances |
- |
Complies |
| 18. |
Proteinous impurities |
- |
Complies |
| 19. |
Mon Calcium & Tri Calcium
Phosphate |
ml |
11.0 to 12.5 |
| 20. |
Fitness |
% |
Min 95.0% passes through BSS 100#
( 150 micron ) |
