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Determinationation of kanamycin by square-wave cathodic adsorptive stripping voltammetry

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Abstract

A square-wave cathodic adsorptive stripping voltametric (SWCASV) method for the determination of kanamycin was developed on a thin-film mercury electrode (TFME). The optimal working conditions for the application of the method were found to be pH 8.0, provided by a Britton-Robinson (B.R.) buffer, and an adsorption potential of +0.30 V during 300 s. The equilibration time was applied during 10 s, and potential scans were performed at a scan rate of 40 mV/s, with a square-wave frequency of 100 Hz. The measuring-system response was linear over the kanamycin concentration range from 1.2 × 10−9 to 5.0 × 10−8 M and the detection limit achieved was 4.8 × 10−10 M. The relative error and relative standard deviation obtained were 1.20 and 4.67%, respectively. The voltammetric procedure was applied successfully to give a rapid and precise assay of kanamycin in kanamycin sulfate injection form.

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Authors and Affiliations

  1. Department of Applied Chemistry, Yancheng Institute of Technology, Jiangsu Yancheng, 224003, P.R. China

    Jin-Long Yan

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  1. Jin-Long Yan
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Correspondence to Jin-Long Yan.

Additional information

Published in Elektrokhimiya in Russian, 2008, Vol. 44, No. 12, pp. 1433–1437.

The text was submitted by author in English

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Yan, JL. Determinationation of kanamycin by square-wave cathodic adsorptive stripping voltammetry. Russ J Electrochem 44, 1334–1338 (2008). https://doi.org/10.1134/S1023193508120045

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  • DOI: https://doi.org/10.1134/S1023193508120045

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