Table 3.
Comparison of different methods in the adsorption and analysis of Hg2+.
| Methods | Sorbents | Adsorption Capacity (mg g−1) |
LOD (ng L−1) |
PF | Pretreatment Time (min) |
Ref. |
|---|---|---|---|---|---|---|
| SPE-CVAAS | SH-SiO2/Cu3(BTC)2 | 210 | 20,000 | 167 | 35 | [30] |
| dSPE-ICP-OES | Pectin-coated magnetic graphene oxide |
- | 1200 | 50 | 30 | [35] |
| MSPE-ICP-MS | Fe3O4@SiO2@γ-MPTMS | 84 | 0.1 | 400 | 13 | [31] |
| MSPE-ICP-MS | Thiol-grafted magnetic polymer |
254 | 0.82 | 150 | 15 | [32] |
| MSPE-ICP-MS | Fe3O4@COFTAPB-DEBD@SH | - | 0.51 | 100 | 22 | [6] |
| MSPE-HPLC- ICP-MS |
Fe3O4@SiO2@GMA -S-SH |
141 | 1.6 | 400 | 7 | [33] |
| DLLME-GFAAS | - | - | 4.3 | 100 | 11 | [36] |
| MSPE-DLLME- GFAAS |
Apt-Fe3O4- SiO2- NH2@HKUST-1 |
156 | 340 | 2400 | 37 | [37] |
| SPE-ICP-OES |
Agaricus augustus Immobilized Fe2O3 |
47.2 | 16 | 100 | 168 | [38] |
| SPE-ICP-OES | Biosorbent-modified XAD-4 resin |
27.8 | 60 | 80 | 202.5 | [39] |
| MSPE-ICP-MS | MPTAPs | 211 | 0.61 | 232 | 13 | This work |