Table 8 Effect of interfering ions on adsorption of Cd(II) ions using S1 and S1@chitosan composite.
From: A novel sodium Iron silicate composite with chitosan for efficient removal of Cd(II) ions from water
Interfering ions | Q of S1 (mg/g) | Q of S1@chitosan (mg/g) | Reduction in Q of S1 (mg/g) | Reduction in Q of S2 (mg/g) |
|---|---|---|---|---|
None (control) | 271.5 | 377.5 | – | – |
Na+ | 268.21 | 373.85 | 3.29 | 3.65 |
K+ | 267.98 | 373.42 | 3.52 | 4.08 |
Mg2+ | 250.43 | 356.2 | 21.07 | 21.3 |
Ca2+ | 244.9 | 348.78 | 26.6 | 28.72 |
Cl- | 269.87 | 375.99 | 1.63 | 1.51 |
NO3− | 266.75 | 372.5 | 4.75 | 5.0 |
