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Mercury Films on Commercial Carbon Screen-Printed Devices for the Analysis of Heavy Metal Ions: a Critical Evaluation

机译:商业碳丝网印刷设备上用于分析重金属离子的汞膜:关键评估

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摘要

The suitability of mercury films on commercial screen-printed electrodes for the analysis of heavy metal ions is critically tested for the particular case of Pb(II)-ions. Although determination is possible by anodic stripping voltammetry with a reasonable detection limit (8.9 mu gL(-1)), important drawbacks are noticed as a consequence of the heterogeneous deposition of mercury on the rough surface of screen-printed devices.
机译:对于Pb(II)离子的特殊情况,严格测试了汞在商用丝网印刷电极上的薄膜对重金属离子的适用性。尽管可以通过阳极溶出伏安法以合理的检测限(8.9μgL(-1))进行测定,但是由于汞在丝网印刷设备的粗糙表面上的异质沉积,因此注意到了重要的缺点。

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