Table 1.
Electrode | Analytical Technique | Linear Range (μg·L−1) | Detection Limit (μg·L−1) | Reference | ||
---|---|---|---|---|---|---|
Cd(II) | Pb(II) | Cd(II) | Pb(II) | |||
Bi/SWNTs/GCE | SWASV | 0.5–11 | 0.5–11 | 0.076 | 0.18 | [33] |
Bi/Au-GN-Cys/GCE | SWASV | 0.50–40 | 0.50–40 | 0.10 | 0.05 | [1] |
Bi/ABTS-MWCNTs/GCE | DPSV | 0.5–35 | 0.2–50 | 0.2 | 0.1 | [5] |
Bi/Nafion/PANI-MES/GCE | SWASV | 0.1–20 | 0.1–30 | 0.04 | 0.05 | [34] |
RGO/Bi/GCE | SWASV | 20–120 | 20–120 | 2.8 | 0.55 | [35] |
polymer/Bi/GCE | SWASV | 2–60 | 2–60 | 2 | 2 | [36] |
Nafion/Bi/GCE | SWASV | 1–20 | 1–20 | 0.1 | 0.1 | [37] |
SPAN/MCN/GCE | SWASV | 5–80 | 5–80 | 0.7 | 0.2 | This work |
SWNTs: single-walled carbon nanotubes; Au-GN-Cys: gold nanoparticle-graphene-cysteine composite; ABTS: 2,2-azinobis (3-ethylbenzothiazoline-6-sulfonate) diammonium salt; MWCNTs: multi-walled carbon nanotubes; PANI-MES: polyaniline-2-mercaptoethanesulfonate; RGO: reduced graphene oxide.