Citation: Yongling Du, Shihao Xu, Yan Ming, Zheng Zhang, Yixiong Wang, Xuezhao Shi, Yongqing Zhao. Investigation of underpotential deposition behavior of lead on polycrystalline gold electrodes using materialist theory and its application in experimental teaching of trace lead electrochemical analysis[J]. University Chemistry, ;2026, 41(6): 362-373. doi: 10.12461/PKU.DXHX202503106 shu

Investigation of underpotential deposition behavior of lead on polycrystalline gold electrodes using materialist theory and its application in experimental teaching of trace lead electrochemical analysis

College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, Gansu Province, China

Corresponding author: Yongling Du, duyl@lzu.edu.cn
Received Date: 26 March 2025
Revised Date: 5 June 2025

This study employs underpotential deposition coupled with square wave voltammetry for the electroanalytical determination of trace lead in aqueous samples. The electrochemical phenomena are systematically interpreted through the lens of materialist theory, complemented by principles of physical chemistry and electrochemistry. The research examines the underpotential deposition process, two-dimensional phase formation, bulk deposition of lead, and concentration-dependent effects. Designed as a comprehensive analytical chemistry experiment, this approach demonstrates robust theoretical foundations and practical feasibility. The problem-oriented teaching methodology, integrated with materialist theory, significantly enhances the pedagogical effectiveness of experimental instruction.
- Dialectical materialism,
- Lead,
- Underpotential deposition,
- Polycrystalline gold electrode,
- Electroanalysis
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