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Cu(II) traceability in industrial samples: innovating detection with modified nanoparticles and magnetic electrodes
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2024-10-29 , DOI: 10.1039/d4en00459k
C. Costa, D. Talbot, A. Bée, S. Abramson, V. Diz, G. A. González

This paper presents a novel approach for the sensitive detection of Cu(II) ions in acidic industrial samples, used in the manufacture of printed circuits. The study outlines the synthesis and functionalization of Fe3O4 magnetic nanoparticles, emphasizing the optimization of parameters affecting Cu(II) concentration measurements. The NPs are surface-modified with APTES and succinic acid and characterized through different methods including TEM imaging and FTIR analysis. A method employing the magnetic NPs for bulk preconcentration of Cu(II) ions, followed by collection using a simple and home-made magnetic glassy carbon electrode (MGCE), is detailed. The electrochemical analysis showcases the efficiency of the proposed method for rapid and sequential measurements of Cu(II) ions adequate for industrial matrices. Results demonstrate the potential of this approach for sensitive Cu(II) sensing, offering a cost-effective and efficient alternative to conventional analytical techniques. Notably, the successful quantification of Cu(II) concentrations in a real sample obtained from an acid industrial electroplating bath of CuSO4 highlights the practical applicability of the developed methodology.

中文翻译:


工业样品中的 Cu(II) 可追溯性:使用改性纳米颗粒和磁电极进行创新检测



本文提出了一种灵敏检测酸性工业样品中 Cu(II) 离子的新方法,用于印刷电路的制造。该研究概述了 Fe3O4 磁性纳米颗粒的合成和功能化,强调了影响 Cu(II) 浓度测量的参数的优化。NP 用 APTES 和琥珀酸进行表面修饰,并通过不同的方法进行表征,包括 TEM 成像和 FTIR 分析。详细介绍了一种使用磁性 NP 对 Cu(II) 离子进行整体预浓缩,然后使用简单的自制磁性玻碳电极 (MGCE) 进行收集的方法。电化学分析展示了所提出的方法在快速和连续测量 Cu(II) 离子方面的效率,适用于工业基质。结果表明,这种方法在灵敏的 Cu(II) 传感方面具有潜力,为传统分析技术提供了一种经济高效且高效的替代方案。值得注意的是,从 CuSO4 的酸性工业电镀槽中获得的真实样品中 Cu(II) 浓度的成功定量突出了所开发方法的实际适用性。
更新日期:2024-10-29
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