1 | Description | White crystalline powder | White, crystalline powder. |
2 | Solubility | Passes | Soluble in water. |
3 | Identification A (By IR) | Comples | IR spectra of the sample should concomitant with IR spectra of the standard |
4 | Identification B (By Chemical test) | Complies | The red color should discharge, leaving a yellowish solution. |
5 | Identification C (By Chemical test) | Complies | A dense white precipitate should form. |
6 | Assay (on dried basis) | 99.28% | 99.0% - 101.0% |
7 | Calcium (Ca) | Passes | No precipitate should form. |
8 | Limit of Nitrilotriacetic acid | 0.012% | Not more than 0.1% |
9 | pH | 4.56 | 4.0-6.0 |
10 | Loss on drying at 150° for 6 Hr | 9.45% | 8.7%-11.4% |