Journal of Chemistry / 2019 / Article / Tab 1

Research Article

Using Electrode Made of Carbon Nanotubes and Bismuth Oxide for the Determination of Metal Concentration by Anodic Stripping Voltammetry

Table 1

Various Bi precursor-modified and Bi2O3-modified carbon electrodes for analysis of Cd(II), Pb (II), and In(III).

Electrode materialVoltammetricStudied ionsLODLinear rangeReference

Bi2O3/SPESW-ASVPb5 μg·L−1 (at pH = 1.2)5–150 μg·L−1 (at pH = 1.2)[28]
10 μg·L−1 (at pH = 4.5)10–150 μg·L−1 (at pH = 4.5)
Cd2.5 μg·L−1 (at pH = 1.2)5–150 μg·L−1 (at pH = 1.2)
5 μg·L−1 (at pH = 4.5)10–150 μg·L−1 (at pH = 4.5)
Bi2O3/SPESW-ASVPb2 μg·L−150–300 μg·L−1[29]
Bi2O3/SPEDP-ASVPb1.0 μg·L−1[30]
Cd2.0 μg·L−1
Bi2O3/SPESW-ASVPb2.3 μg·L−120–100 μg·L−1[31]
Cd1.5 μg·L−120–100 μg·L−1
Bi2O3/SPESW-ASVPb1.1 μg·L−10–80 μg·L−1[32]
Cd2.1 μg·L−10–160 μg·L−1
Bi2O3/SPESW-ASVPb5 μg·L−1[33]
Cd5 μg·L−1
BONPs-IL/CPESW-ASVPb0.21 μg·L−13–30 μg·L−1[34]
Cd0.15 μg·L−1
BiOCl/MWCNT-GCESW-ASVPb1.9 μg·L−1[35]
Cd4 μg·L−1
Bi2O3/MWCNT-CPEDP-ASVPb0.26 μg·L−11.5–20 μg·L−1This study
Cd0.22 μg·L−11.5–20 μg·L−1
In0.65 μg·L−12.5–20 μg·L−1

SPE: screen printed electrode; GCE: glassy carbon electrode; SW-ASV: square wave anodic stripping voltammetry; BONP: bismuth oxide nanoparticle; IL: ionic liquid; BiOCl: bismuth-oxychloride.

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