Simultaneous determination of lead and cadmium in aqueous sources by anodic stripping voltammetry method using BiF/ErGO-GCE modified electrode
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Keywords

BiF/ErGO-GCE
determination of Cd(II) and Pb(II) and DP-ASV method BiF/ErGO
Xác định đồng thời Cd(II) và Pb(II) và phương pháp DP-ASV

How to Cite

1.
Luyện N Đình, Trang HT, Vũ HXA, Phong NH. Simultaneous determination of lead and cadmium in aqueous sources by anodic stripping voltammetry method using BiF/ErGO-GCE modified electrode. hueuni-jns [Internet]. 2024Mar.29 [cited 2024Apr.17];133(1A):23-30. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/7335

Abstract

At present, the differential pulse anodic stripping voltammetry (DP-ASV) method using modified electrodes is considered as a robust method with high selectivity, sensitivity and low cost. In this study, the glassy carbon electrode was modified with reduced graphene oxide combined with a film bismuth in-situ (BiF/ErGO-GCE) to simultaneously determine Cd(II) and Pb(II) in aqueous source. Several parameters were studied including the amount of graphene oxide material, the concentration of Bi(III) and the parameters of the DP-ASV method. The detection limits of Cd(II) and Pb(II) were determined to be 1.50 ppb and 1.39 ppb. In addition, BiF/ErGO-GCE modified electrode was also applied to simultaneously determine Cd(II) and Pb(II) in two water samples of Huong and An Cuu rivers. The results were compared to those of inductively coupled plasma mass spectrometry method with sactifaction.

https://doi.org/10.26459/hueunijns.v133i1A.7335
PDF (Vietnamese)

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