| Identification A | Complying |
| Identification B | Complying |
| Identification C | Complying |
| Identification D | Complying |
| Assay (on dry basis) | 99.0-101.0% |
| Appearance of solution | Complying |
| pH (5% in water) | 4.0-5.5 |
| Water (KF Oven 180°C) | 8.7-11.4%w/w |
| Nitrilotriacetic acid (Impurity A) | <= 0.1%w/w |
| Iron (Fe) | <= 0.008% |
| Heavy metals (as Pb) | <= 0.002% |
| Calcium (Ca) Passes USP test | Complying |
| Residual solvents meets the requirements | Complying |