Determination of Minoxidil by Bleaching the Permanganate Carrier Solution in a Flow-Based Spectrophotometric System

Graphite‐polyurethane (GPUE) and graphite‐silicone rubber (GSRE) electrodes have been used for oxidative determination of the vasodilator minoxidil in pharmaceutical samples and in plasma and urine electrolyte solutions. The electrooxidation process at 0.840 V (GPUE) and 0.860 V (GSRE) vs. SCE was characterized over a wide pH range by cyclic voltammetry and electrochemical impedance spectroscopy. Quantification using cyclic, differential pulse, and square‐wave voltammetry, gave results agreeing with high pressure liquid chromatography, that has similar micromolar detection limits, but with a simpler analytical procedure. Advantages of these composite electrodes are non‐adsorption of analyte or oxidation products, a long useful life and robustness.

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Graphite‐Polyurethane and Graphite‐Silicone Rubber Composite Electrodes for Electrochemical Characterization and Determination of Minoxidil

Sousa

Dos-Santos

Cavalheiro

et al. 2013

Electroanalysis

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Computational design and development of a novel voltammetric sensor for minoxidil detection based on electropolymerized molecularly imprinted polymer

Karimian

Gholivand

Taherkhani

2015

Journal of Electroanalytical Chemistry

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A new mechanism for resonance Rayleigh scattering detection of minoxidil based on catalytic oxidation of silver nanoparticles

Teerasong

Praditweangkum

Chompoosor

2022

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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Determination of Minoxidil by Bleaching the Permanganate Carrier Solution in a Flow-Based Spectrophotometric System

Cited by 5 publications

References 21 publications

Graphite‐Polyurethane and Graphite‐Silicone Rubber Composite Electrodes for Electrochemical Characterization and Determination of Minoxidil

Graphite‐Polyurethane and Graphite‐Silicone Rubber Composite Electrodes for Electrochemical Characterization and Determination of Minoxidil

Computational design and development of a novel voltammetric sensor for minoxidil detection based on electropolymerized molecularly imprinted polymer

A new mechanism for resonance Rayleigh scattering detection of minoxidil based on catalytic oxidation of silver nanoparticles

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