Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/68707
標題: A Sensitive Electrochemical Approach for Melamine Detection Using a Disposable Screen Printed Carbon Electrode
作者: Liao, C.W.
Chen, Y.R.
Chang, J.L.
Zen, J.M.
期刊/報告no:: Electroanalysis, Volume 23, Issue 3, Page(s) 573-576.
摘要: We report here a simple and easy electrochemical approach for sensitive detection of non-electroactive melamine using a disposable screen printed carbon electrode (SPCE) with uric acid as the recognition element. It is based on the competitive adsorptive behavior of melamine at the preanodized SPCE causing suppression in the oxidation current of uric acid. A linear range up to 126 ppb with a detection limit of 1.6 ppb (S/N=3) is achieved at the preanodized SPCE by differential pulse voltammetry. The electrochemical method is successfully applied to detect the melamine content in tainted milk powder and dog food.
URI: http://hdl.handle.net/11455/68707
ISSN: 1040-0397
文章連結: http://dx.doi.org/10.1002/elan.201000605
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