Determination of Kalamycin (Kalamycin Sulfate for Injection) by First-Derivative Stripping Square Wave Voltammetry
YAN Jin-long (Department of Chemical Engineering, Yancheng Institute of Technology, Yancheng, 224003)
The electrochemical behavior of kalamycin has been studied in mercury film electrode, and an electrochemical method for the determination of kalamycin was established. In a buffer solution of HAc-NaAc (pH 4.7), Hg 2+-kalamycin complex produced a reduction peak at 0.126 V (vs. SCE). There was a good linear relationship within the range of 0.02~1.5 mg·mL -1(r=0.992). The method was rapid, simple and accurate, and used for the determination of kalamycin.
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