Interfering ions | Pb(II) | Biosorption (µmol∙g−1) | Capacity | Cd(II) | Biosorption (µmol∙g−1) | Capacity | Cr(VI) | Biosorption (µmol∙g−1) | Capacity | Hg(II) | Biosorption (µmol∙g−1) | Capacity |
| F.B | HAP | Alg/Hap | F.B | HAP | Alg/Hap | F.B | HAP | Alg/Hap | F.B | HAP | Alg/Hap |
In absence of ions | 2785 | 2785 | 2785 | 675 | 1250 | 812 | 965 | 1173 | 1141 | 866 | 1533 | 583 |
Na(I) | 2685 | 2742 | 2657 | 650 | 1125 | 750 | 917 | 1141 | 1093 | 833 | 1466 | 533 |
K(I) | 2628 | 2714 | 2614 | 637 | 1075 | 712 | 869 | 1109 | 1061 | 816 | 1423 | 483 |
Ca(II) | 2108 | 2154 | 2042 | 577 | 1017 | 637 | 645 | 981 | 933 | 747 | 1244 | 304 |
Mg(II) | 2174 | 2271 | 2148 | 587 | 1039 | 665 | 725 | 1013 | 949 | 771 | 1323 | 336 |