Abstract
[Objective] To develop an efficient electrochemical method for the rapid detection of cadmium and lead ions （Cd2+ and Pb2+） in rice samples. [Methods] Designed a portable electrochemical sensor utilizing a disposable screen printed electrode and anodic stripping voltammetry with an isoplated bismuth electrode. This setup was further optimized through square wave voltammetry （SWV）, cyclic voltammetry （CV）, and chronocurrent methods （I-T）. [Results] The proposed approach exhibited outstanding performance with a linear detection range of 20 to 80 μg/L for Cd2+ and 10 to 80 μg/L for Pb2+. The LOD of the cadmium ion were 1.201 0 μg/L, the LOD of the lead ion were 0.963 9 μg/L. [Conclusion] Our newly established electrochemical sensor for heavy metal detection in rice offers high sensitivity, ease of operation, rapid analysis, and aligns with environmentally friendly practices.
Publication Date
9-11-2024
First Page
37
Last Page
42
DOI
10.13652/j.spjx.1003.5788.2023.81285
Recommended Citation
Haoyang, XU; Ranran, WANG; Bangben, YAO; Wei, CHEN; Shanggui, DENG; and Li, YAO
(2024)
"Development of portable electrochemical sensor for heavy metals and application of detection of heavy metals lead and cadmium in rice,"
Food and Machinery: Vol. 40:
Iss.
7, Article 7.
DOI: 10.13652/j.spjx.1003.5788.2023.81285
Available at:
https://www.ifoodmm.cn/journal/vol40/iss7/7
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