梁超,张浩,张越,李利军

• 1:广西糖资源绿色加工重点实验室(广西科技大学)
• 2:广西科技大学生物与化学工程学院

摘要(Abstract)：

环境中潜伏着微量Pb~(2+)和Cd~(2+)，若长期摄入会在人体内富集，引发神经、肾脏等多系统疾病，严重危害健康。本文设计一种基于MXene/NH_2-MIL-53的化学修饰电极用于同时检测Pb~(2+)、Cd~(2+)，并对其合成、表征以及重金属离子检测能力进行研究。优化后的最佳检测条件为：1.0 mg材料配制成的1.0 mg/mL修饰液，富集电位为–1.2V,pH值为4.5，富集时间为300 s。修饰后的玻碳电极采用方波阳极溶出伏安法（SWASV）分别对Pb~(2+)、Cd~(2+)进行测定，在线性范围分别为0.5～100.0μg/L和5.0～90.0μg/L时，电极的检测限分别为0.260和0.234μg/L，灵敏度分别为0.477和0.364μA/（μmol·cm~(–3)）。实验结果显示：该电极具有高灵敏度和低阻抗的优点，表现出优异的抗干扰性与可重复性，且制备方法简便，能够实现现场实时检测，在电子烟液实际样品检测中也表现出优异性能。

关键词(KeyWords)： 重金属离子;化学修饰电极;MXene;方波阳极溶出伏安法(SWASV);电子烟

Abstract:

Keywords:

基金项目(Foundation): 广西糖资源绿色加工重点实验室开放课题（GXTZYZR202209）资助

作者(Author): 梁超,张浩,张越,李利军

DOI: 10.16375/j.cnki.cn45-1395/t.2025.06.010

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