Povidone Iodine Specification
| Test |
Specification |
Result |
| Description |
Yellowish brown to reddish brown amorphous powder , having a slight characteristic odour. |
Reddish brown amorphous powder, having a slight characteristic odour. |
| Solubility |
Soluble in water & in ethanol , Practically insoluble in chloroform, acetone. |
Soluble in water & in ethanol Practically insoluble in chloroform acetone. |
| Identification |
A & B |
+VE |
| pH |
Between 1.5 to 5.5 |
Between 3.2 to 4.5 |
| Loss on drying @105°C |
Max. 8.0 % |
< 4.00 % |
| Residue on ignition |
Not more than 0.025 % from 2 g |
< 0.010 % |
| Iodide Ion( On dried basis) |
Not more than 6.6 % |
3 - 4 % |
| Heavy metals |
Max. 20 ppm |
< 0.001 ppm |
| Nitrogen Content(On dried basis) |
Not less than 9.5 % & Not more than
11.5 % |
Between 10.70 % to 10.80 % |
| Assay for Available Iodine(On dried basis) |
Not less than 9.0 % & Not more than
12.0 % |
Between 10.50 % to 11.5 % |
