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首页> 外文期刊>Electroanalysis >Determination of copper at a glassy carbon electrode modified with Langmuir-Blodgett film of p-tert-butylthiacalix[4]arene
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Determination of copper at a glassy carbon electrode modified with Langmuir-Blodgett film of p-tert-butylthiacalix[4]arene

机译：对叔丁基硫杂杯[4]芳烃的Langmuir-Blodgett膜修饰的玻碳电极上铜的测定

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摘要

A new type of voltammetric sensor, Langmuir-Blodgett film of p-tert-butylthiacalix[4]arene modified glassy carbon electrode, was advanced and used for determining copper at trace levels by differential pulse stripping voltammetry. Calibration plot was found to be linear in the range of 2 x 10(-8) M to 5 x 10(-6) M; the detection limit was 2 x 10(-9) M. Possible recognition mechanism was also discussed. From determination of Copper in real samples (river, lake and tap water) it can be concluded that the method is rapid, sensitive in determining of copper and can be used in the analysis of natural water samples.
机译：一种新型的伏安传感器，对叔丁基硫杂杯[4]芳烃修饰的玻碳电极的Langmuir-Blodgett膜被改进，并用于通过差分脉冲溶出伏安法测定痕量铜。发现校准曲线在2 x 10（-8）M到5 x 10（-6）M的范围内是线性的;检测极限为2 x 10（-9）M。还讨论了可能的识别机制。从实际样品（河流，湖泊和自来水中）中铜的测定可以得出结论，该方法快速，灵敏地测定铜，可用于分析天然水样品。

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