首页> 外文期刊>International Journal of Electrochemical Science >Square Wave Voltammetric Analysis of Carbidopa Based on Carbon Paste Electrode Modified with ZnO/CNTs Nanocomposite and n-hexyl-3-methylimidazolium Hexafluoro Phosphate Ionic Liquid
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Square Wave Voltammetric Analysis of Carbidopa Based on Carbon Paste Electrode Modified with ZnO/CNTs Nanocomposite and n-hexyl-3-methylimidazolium Hexafluoro Phosphate Ionic Liquid

机译:ZnO / CNTs纳米复合修饰碳糊电极与正己基-3-甲基咪唑鎓六氟磷酸盐离子液体修饰的卡比多巴方波伏安法

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In this study the electrochemistry of carbidopa (CD) was studied by electrochemical methods at acarbon paste electrode modified by ZnO/CNTs nanocomposite and room-temperature ionic liquid, n- hexyl-3-methylimidazolium hexafluoro phosphate (ZnO/CNTs/ILs/CPE). The oxidation peak potentialof the CD at a surface of ZnO/CNTs/ILs/CPE appeared at 570 mV that was about 90 mV lower thanthe oxidation peak potential at the surface of the unmodified carbon paste electrode (CPE) undersimilar condition. Under the optimized conditions, the oxidation peak current of CD showed two linear dynamic ranges (in 0.0950 mol L ) with a detection limit of 0.05 mol L , using square wavevoltammetry (SWV). The proposed sensor was successfully applied for the determination of CD in realsamples such as pharmaceutical serum, water and urine.
机译:在这项研究中,通过电化学方法研究了卡比多巴(CD)在由ZnO / CNTs纳米复合材料和室温离子液体正己基-3-甲基咪唑六氟磷酸盐(ZnO / CNTs / ILs / CPE)改性的碳糊电极上的电化学。 。在相似条件下,ZnO / CNTs / ILs / CPE表面的CD氧化峰电位为570 mV,比未改性碳糊电极(CPE)表面的氧化峰电位低约90 mV。在最佳条件下,使用方波伏安法(SWV),CD的氧化峰值电流显示出两个线性动态范围(0.0950 mol L),检出限为0.05 molL。所提出的传感器已成功地用于测定实际样品中的CD,例如药物血清,水和尿液中的CD。

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