Electrochemical Behavior and Determination of Phenylephrine at the Multi-Walled Carbon Nanotubes/ionic Liquid Nanocomposite Modified Electrode in the Presence of Acetaminophen
作者： B. Habibi , Z. Ayazi , Firooz Zalvand
DOI:
关键词: Differential pulse voltammetry 、 Electrode 、 Electrochemistry 、 Composite material 、 Nuclear chemistry 、 Cyclic voltammetry 、 Nanocomposite 、 Detection limit 、 Chronoamperometry 、 Ionic liquid 、 Materials science
摘要: A simple and high sensitive electrochemical method was developed for determination of phenylephrine (PHE) in the presence acetaminophen (AC) at carbon-ceramic electrode modified by multi-walled carbon nanotubes/ionic liquid nanocomposite (MWCNTs/IL/CCE). Cyclic voltammetry (CV) differential pulse (DPV) chronoamperometry methods were used studies measurements, respectively. The obtained results show that MWCNTs/IL/CCE exhibited electrocatalytic activity towards oxidation PHE. Under optimum conditions, anodic peak current DPV is linear to PHE concentration over ranges 3×10-7 M-100×10-6 M with a correlation coefficient 0.998 detection limit 1.7×10-7 M. also simultaneous AC same conditions. stability, reproducibility repeatability investigated relative standard deviations has excellent repeatability. Finally, effectively applied some real samples without any interference.
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