Table A1
Description of ligands.
| Ligand | Name | CAS-nr. | Chemical formula | Molecular weight |
|---|---|---|---|---|
| oda | 2,2′-Oxydiacetic acid | 110-99-6 | C4H6O5 | 134.09 |
| ida | Iminodiacetic acid | 142-73-4 | C4H7NO4 | 133.1 |
| edda | Ethylenediamine-N,N′-diacetic acid | 5657-17-0 | C6H12N2O4 | 176.17 |
| edta | Ethylenediaminetetraacetic acid tetra-sodium salt hydrate | 194491-31-1 | C10H12N2Na4O8 • xH2O | 380.17 (anhydrous basis) |
| hedtra | N-(2-hydroxyethyl)ethylenediaminetri-acetic acid trisodium salt hydrate | 207386-87-6 | C10H15N2Na3O7 • xH2O | 344.2 (anhydrous basis) |