 |
| Parameters |
Specification |
Result |
| Description |
Very Fine, White or off White,
Free flowing Powder, Odourless or almost odourless. |
Fine, White, Odourless powder |
| Solubility |
Practically Insoluble in water
Insoluble in most organic solvents. |
Complies |
| Identification |
|
|
| A |
Infra-red absorption spectrum
should concordant with IP reference standards |
Concord with IP reference (IR
spectrum is enclosed) |
| B |
Should comply |
Complies |
| C |
Should comply |
Complies |
| pH |
5.5 to 7.5 |
6.4 |
| Loss on Drying% |
NMT 10 |
6.6 |
| Iron% |
NMT 0.002 |
Passes |
| Heavy Metal |
NMT 0.002 |
Passes |
| Sodium Chloride% |
NMT 10 |
6.7 |
| Assay, as Sodium% |
2.8 to 4.5 |
3.1 |
| Sodium Glycollate% |
NMT 2 |
Passes |
| Swelling volume ml* |
NLT 40 |
50 |
|
|
