Determination of trace amounts of gold(III) by cathodic stripping voltammetry using a bacteria-modified carbon paste electrode

R. Hu, Weide Zhang, Jinkun Fu, Y. Liu
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引用次数: 5

Abstract

A bacteria-modified carbon paste electrode has been prepared and used for the very sensitive and selective determination of trace amounts of gold(III). The modified electrode was able to detect a solution of 1.0 ppb Au(III) by applying cathodic stripping voltammetry. Advantages of the bacteria-modified electrode include high sensitivity, good stability, low cost and simple preparation. It could be a new class of modified electrode with practical value.
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细菌修饰碳糊电极阴极溶出伏安法测定痕量金
制备了一种细菌修饰的碳糊电极,并将其用于痕量金(III)的灵敏和选择性测定。采用阴极溶出伏安法对1.0 ppb Au(III)溶液进行检测。细菌修饰电极具有灵敏度高、稳定性好、成本低、制备简单等优点。这是一种具有实用价值的新型修饰电极。
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