Citation: Ling Ling Xi Pei Min Zhang, Yan Zhu. Copper modified platinum electrode for amperometric detection of spectinomycin sulfate by anion-exchange chromatography[J]. Chinese Chemical Letters, ;2009, 20(10): 1245-1247. doi: 10.1016/j.cclet.2009.04.025 shu

Copper modified platinum electrode for amperometric detection of spectinomycin sulfate by anion-exchange chromatography

Department of Chemistry, Xixi Campus, Zhejiang University, Hangzhou 310028, China

Received Date: 6 March 2009

Fund Project: This is a project supported by National Natural Science Foundation of China (No.20775070) and by Zhejiang Provincial Natural Science Foundation of China (No.Y407153)and sponsored by Zhejiang Provincial Assay Foundation of China (No.2007F70017).

A La³⁺-Cu/Pt modified electrode was fabricated by electrodepositing process in CuSO ₄ solution by adding a small amount oflanthium compound, and it was employed for direct current (DC) amperometric detection of spectinomycin by anion-exchange chromatography.Without derivatization, this method can simultaneously determine the main component and impurities in spectinomycin pharmaceutical raw material.Ease of preparation, being applied in DC detection mode and good catalytic stability confirmed the interests of this modified electrode as amperometric sensor for the determination of spectinomycin.
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