Table 3.
Comparison of analytical parameters for various methods for nitrite detection using bare electrodes.
| Material | Linear Range (µmol L−1) | LOD (µmol L−1) |
Technique | Ref. |
|---|---|---|---|---|
| Bare CFE | 6–2000 | 5.5 | MPA | This work |
| Bare GCE | 50–4700 | 200 | CV | [35] |
| 20–6400 | 300 | DPV | ||
| 2.5–10 | 0.4 | Amp. | ||
| Bare Pt | 5–1000 | 2 | Amp. | [23] |
| Bare Au | 10–600 | 0.65 | DPV | [36] |
| CGE/Zn-TPPS | <1000 | 0.1 | FIA-Amp. | [37] |
| CGE/TiTaPc | <3500 | 1 | CV | [38] |
| Au/MWCNTs/MoS2 | 12–2100 | 4.0 | Amp. | [39] |
| Au/NPG | 1–1000 | 0.01 | Amp. | [18] |
| AgNC@NCS | 1–1400 | 0.38 | DPV | [40] |
CFE: carbon fiber microelectrode; GCE: glassy carbon electrode; Zn-TPPS: meso-tetra (4-sulphonatephenyl) porphyrinate; TiTaPc: titanium tetraamino phthalocyanine; MWCNTs: multi-walled carbon nanotubes; NPG: nanoporous gold; AgNC: silver nanocluster; NCS: nitrogen-doped carbon. MPA: multiple pulse amperometry; CV: cyclic voltammetry; DPV: differential pulse voltammetry; Amp.: amperometry; FIA: flow injection analysis.