Solubility |
Insoluble in water but soluble
in alkalis |
Soluble in Water |
Soluble in Water |
Miscible in Water |
Insoluble in water but soluble in alkalies
|
| pH of 1% Aqueous Solution
or Dispersion |
2 to 2.5 |
4.25 to 5.2 |
10 to 11 |
11 to 12 |
2 |
| Purity |
98% min. as EDTA Acid |
99% min. as Disodium EDTA |
- |
- |
98% min. as NTA Acid. |
| Chelation Value as mg. of CaCo3 per gm. |
340 ± 5 |
270 ± 5 |
230 ± 5 |
100 ± 2 |
515 ± 3 |