Table 1.
Iron species | |
---|---|
Total Fe in hydrogel from polymerization | 9.2 ± 1.1 mg/g PAA |
Total Fe in membrane from polymerization | 3.6 ± 0.3 mg/g PAA |
Fe3+ in membrane from polymerization | 91.7% |
Fe2+ in membrane from polymerization | 8.3% |
Total Fe in hydrogel from ion exchange | 457.5 ± 8.1 mg/g PAA |
Total Fe in membrane from ion exchange | 131.1 ± 3.1 to 428.3± 4.2 mg/g PAA |