Research Article
Preparation and Heavy Metal Ions Chelating Properties of Multifunctional Polymer-Grafted Silica Hybrid Materials
Table 3
Surface atomic composition of aminated silica, PAA-grafted silica, and ion-chelated hybrid silica.
| | Sample | Surface atomic composition (%) | | C | N | O | Si | Metal ion |
| | Siγ | 16.2 | 4.2 | 50.0 | 29.6 | — | | Siγ-[BAC-DMEDA] | 50.8 | 8.7 | 27.5 | 13.0 | — | | Siγ-[BAC-EDDA] | 46.6 | 11.2 | 29.1 | 13.1 | — | | Siγ-[BAC-DMEDA]Cu | 39.5 | 10.8 | 34.4 | 14.4 | 0.9 | | Siγ-[BAC-EDDA]Cu | 47.5 | 11.1 | 27.0 | 13.3 | 1.1 | | Siγ-[BAC-DMEDA]Co | 44.3 | 9.2 | 31.6 | 14.0 | 0.9 | | Siγ-[BAC-EDDA]Co | 44.9 | 11.1 | 29.3 | 13.9 | 0.8 |
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