Electroanalytical performance of a Bismuth/Antimony composite glassy carbon electrode in detecting lead and cadmium

被引：2
|
作者：
Muna, Grace W. [1 ,2 ]
Barrera, Emily [1 ]
Robinson, Lucas [1 ]
Majeed, Hiba [1 ]
Jones, Keon [1 ]
Damschroder, Abigail [1 ]
Vila, Andrew [1 ]
机构：
[1] Indiana Univ South Bend, Dept Chem & Biochem, South Bend, IN USA
[2] Indiana Univ South Bend, Dept Chem & Biochem, South Bend, IN 46634 USA
来源：
ELECTROANALYSIS | 2023年 / 35卷 / 08期
基金：
美国国家科学基金会;
关键词：
antimony; bismuth; differential pulse anodic stripping voltammetry; electrodeposition; scanning electron microscopy; ANODIC-STRIPPING VOLTAMMETRY; BISMUTH-FILM ELECTRODES; SCREEN-PRINTED ELECTRODES; PASTE ELECTRODES; TRACE-METALS; ANTIMONY;
D O I：
10.1002/elan.202300019
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This work reports on the electroanalytical performance of a glassy carbon electrode (GCE) modified with antimony and bismuth (Sb/Bi-GCE) in detecting heavy metal ions using lead and cadmium as model analytes. The electroanalytical performance of the Sb/Bi-GCE surface was compared to the bismuth modified glassy carbon electrode (Bi-GCE) as well as the antimony modified glassy carbon electrode (Sb-GCE). The Sb/Bi-GCE exhibited excellent figures of merit compared to Bi-GCE and Sb-GCE surfaces. For example, the limit of detection for lead was 0.01 ppb using Sb/Bi-GCE and 0.1 and 1 ppb on Bi-GCE and Sb-GCE, respectively.
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页数：12
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