The comparison of the present method with literature values for selenium determinationa.
| Mediaa | Technique | LOD (ng L−1) | RSD (%) | Ref. |
|---|---|---|---|---|
| SPE (Chemically modified mesoporous silica) | ICP-OES | 2560 | 3.84 | 22 |
| SPE (CTAB modified alkyl silica) | ICP-OES | 100 | 3.6 | 60 |
| SPE (Modified multi-wall carbon nanotubes) | ICP-MS | 16 | 6.2 | 61 |
| SPE (GO-TiO2) | GFAAS | 40 | 9.4 | 62 |
| SPE (2,6-Diamino-4-phenil-1,3,5-triazine bonded silica gel) | GFAAS | 15 | <8 | 63 |
| SPE (Magnetic multi-walled carbon nanotubes) | HGAFS | 13 | 2.3 | 64 |
| Vortex assisted based liquid–liquid micro extraction (VA-LLME) method | ETAAS | 70 | 4.6 | 65 |
| oxMWCNTs | ETAAS | 30 | 4 | 20 |
| MSPME (Polystyrene-g-polyoleic acid-g-polyethylene glycol graft copolymer) | ETAAS | 6.60 | 3.2 | 66 |
| SPE (Polyvinyl chloride) | HG-ICP-OES | 30 | 5.7 | 67 |
| Au-coated W-coil atom trap | HG-AAS | 21 | 3.2 | 68 |
| SPE (Mg–FeCO3 layered double hydroxides loaded cellulose fibre) | HGAFS | 11 | 3.3 | 69 |
| CHLLME | HGAFS | 10 | 3.8 | 19 |
| On-line flow injection analysis | Spectrofluorometry | 270 | 2.0 | 27 |
| 2,3-Dichloro-6-(2,7-dihydroxy-naphthylazo)quinoxaline | Spectrophotometry | 60 | 1.2 | 70 |
| Optical sensor membrane | Colorimetrry | 3.0 | 2.2 | This work |
a
MSPME: Magnetic solid phase micro extraction, SPE: solid phase micro extraction, LOD: limit of detection RSD: relative standard deviation, PF: preconcentration factor, CHLLME: continuous homogeneous liquid–liquid microextraction, cxMWCNTs: oxidized multiwall carbon nanotubes.