Table 4.
Limits of detection (LOD) and limit of quantification (LOQ) reported for the differential pulse voltammetry method employed in detecting phenolic compounds compared to other methods used.
| Electrode | Method | Phenolic Compounds |
Linear Dynamic Range(M) |
Limit of Detection (M) |
Limit of Quantification (M) | Ref. |
|---|---|---|---|---|---|---|
| Ni-GO/GCE | SQWV | Rutin | 1.1 × 10−8 to 1.0 × 10−6 | 3.2 × 10−9 | -- | [13] |
| CTAC/Gr/PdNPs | SQWV | Rutin | 0.02 × 10−6 to 1.0 × 10−6 | 0.005 × 10−6 | -- | [11] |
| GCE/EAuNPs/rGO/Naf | CV, LSV, EIS | Sinapic | 20 × 10−6 to 200 × 10−6 | 33.43 × 10−9 | -- | [45] |
| CPE/Fe3O4 NPs | DPV | Rutin | 0.3 × 10−6 to 3.0 × 10−6 | 0.8 × 10−7 | 2.5 × 10−7 | This work |
| CPE/Fe3O4 NPs | DPV | Sinapic | 0.9 × 10−6 to 8.0 × 10−6 | 2.2 × 10−7 | 6.7 × 10−7 | This work |
| CPE/Fe3O4 NPs | DPV | Syringic | 1.0 × 10−6 to 9.1 × 10−6 | 2.6 × 10−7 | 8.0 × 10−7 | This work |
CPE = Carbon Paste Electrode, MCPE = Iron oxide nanoparticles modified carbon paste electrode, mol L−1 = moles per liter, GCE/EAuNPs/rGO/Naf = Glassy Carbon Electrode, Electrochemically tuned gold nanoparticles and reduced graphene oxide (rGO) Ref. = References, Ni-GO/GCE = Nickel nanoparticles incorporated with graphene oxide composite-glassy carbon electrode, CTAC = cetyltrimethylammonium chloride, DPV = Differential Pulse Voltammetry, CV = Cyclic Voltammetry, SQWV = Square Wave Voltammetry.