Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

Priscila I. Soares; Thaís M. Lima; Luiza. A. NascimentoRafael M. CoelhoDiego L. FrancoArnaldo C. PereiraLucas F. Ferreira

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Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

机译：Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

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Abstract Caffeic acid (CA)‐modified graphite electrodes [GE/poly(CA)] was applied to the co‐detection of copper and lead in artisanal sugarcane spirit using square‐wave anodic stripping voltammetry (SWASV). Electrochemical and morphological studies were performed, and a mechanism for polymerization was proposed. Electropolymerization, SWASV, and analysis conditions parameters were optimized. Interferents, repeatability, reproducibility, and addition and recovery tests were carried out. GE/poly(CA) shows a linear range from 15 to 705 μg/L with a limit of detection of 3.01 μg/L for Pb(II) and 4.50 μg/L for Cu(II). Real samples of artisanal sugarcane spirit were used, and the electrochemical results were compared with atomic absorption spectroscopy experiments.

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《Electroanalysis》 |2023年第5期|n/a-n/a|共16页
作者
Priscila I. Soares; Thaís M. Lima; Luiza. A. NascimentoRafael M. CoelhoDiego L. FrancoArnaldo C. PereiraLucas F. Ferreira;
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作者单位

Federal University of the Jequitinhonha and Mucuri Valleys, UFVJM;

Federal University of Uberlândia, UFU;

Federal University of São João del-Rei, UFSJ;

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正文语种英语
中图分类电化学、电解、磁化学;
关键词
Graphite electrodes; Poly(caffeic acid); Artisanal sugarcane spirit; Square wave anodic stripping voltammetry; Lead; Copper;

Co‐detection of Copper and Lead in Artisanal Sugarcane Spirit Using Caffeic Acid‐modified Graphite Electrodes

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