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Research Article Electrochemical Determination of

the others have used expensive electrodes. us, the devel-opment of a simple, cost e ective, and sensitive method is needed for the determination of metronidazole in pharma-ceuticalformulations. us,squarewavevoltammetricdeter-mination of metronidazole in tablet samples using carbon paste electrode (CPE) is presented in this study. 2. Experimental

Carbon Paste Electrode Modified With Cuo–Nanoparticles as

Jul 27, 2013· A nano-CuO modified carbon paste electrode (NMCPE) is constructed and its appliion for indirect square wave voltammetric (SWV) detection of ATZ is reported. The sensing performance mechanism of the nano-CuO modified carbon paste electrode toward atrazine is due to complexation of the analyte with Cu (II) ion.

Redox active Co(II) complex modified carbon paste

Mar 01, 2020· Therefore, the determination of the DA in biological samples is of great importance for the diagnosis of the mentioned diseases. Cazula and Lazarin developed two separate metallic ions complex, Ni(II) and Co(II), modified carbon paste electrode for determination of DA and B 6 vitamine .

Voltammetric determination of phenylephrine hydrochloride

Dec 05, 2018· A chemically modified carbon paste electrode (CPE) was designed by mixing graphite and multi-walled carbon nanotubes (MWCNT). The electrochemical behaviour was studied, and the determination method of phenylephrine hydrochloride (PHE) on this sensor was established.

Nanomaterial-Based Carbon Paste Electrodes for

Apr 16, 2019· The present work describes a novel, simple, and fast electroanalytical methodology for naproxen (NAP) determination in pharmaceutical formulations and biological fluids in the presence of its degradation products. Carbon paste electrodes (CPEs) modified with different carbon nanomaterials, namely, glassy carbon powder (GCE), multiwall carbon nanotubes (MWCNTs), single-walled carbon …

Electrochemical determination of copper ions in spirit

This work describes for first time the use of biochar as electrode modifier in coination with differential pulse adsorptive stripping voltammetric (DPAdSV) techniques for preconcentration and determination of copper (II) ions in spirit drinks samples (Cachaça, Vodka, Gin and Tequila). Using the best set of the experimental conditions a linear response for copper ions in the concentration

Ion Selective Carbon Paste Electrode for Determination of

The utility of carbon paste electrode for the determination of flavoxate HCl modified with flavoxate-tetraphenylborate (FLX-TPB) and flavoxate-phosphotungestic acid (FLX-PTA) ion-pairs in batch mode is demonstrated. The electrodes revealed a Nernstian response over a wide concentration ranges 1.39×10 -5 -1x10 -2 mol L -1 and1×10 -5 -1x10 -2 mol L -1 using FLX-TPB and FLX-PTA, respectively.

Determination of cadmium(II) using carbon paste electrode

Up to10%cash back· Mar 30, 2012· We have synthesized cadmium(II) ion-imprinted polymers (IIP) and non-imprinted polymers (NIP) using 1-(2-pyridylazo)-2-naphthol as a ligand. The materials were used to prepare a carbon paste electrode for the determination of Cd(II). Polymerization was performed with (a) methacrylic acid as a functional monomer, (b) ethyleneglycol dimethacrylate as the crosslinking …

Copper(II) determination by using carbon paste electrode

Dec 30, 2011· The MIP, incorporated in the carbon paste electrode, functioned as selectively recognition element and pre-concentrator agent for Cu 2+ determination. The prepared electrode was used for Cu 2+ measurement by the three steps procedure, including analyte extraction in the electrode, electrode washing and electrochemical measurement of Cu 2+ .

Determination of Lead in Water by Linear Sweep Anodic

This study presents the elaboration of a simple and cheap electrode made by carbon paste introduced into a cavity of electrode body, and used for the lead traces determination in tap water. A potentiostatic pre-electrolysis at constant voltage enables the reduction of the lead (Pb2+) and the accumulation of the metallic lead at and into the carbon paste; the reoxidation of the Pb (Linear sweep

A Comparative Study of Carbon Nanotube paste Electrode for

Figure 1b and 1c show impedance spectrum at carbon paste electrode and modified carbon paste electrode with purified CNT, respectively. As shown in this figure, the diameter of the semicircle, indiing the corresponding, Rct, are 13.43 × 103 Ω, 8.75 × 103 Ω and 3.13 × 103 Ω for diagrams a, b and c, respectively.

Determination of cadmium(II) using carbon paste electrode

Mar 30, 2012· We have synthesized cadmium(II) ion-imprinted polymers (IIP) and non-imprinted polymers (NIP) using 1-(2-pyridylazo)-2-naphthol as a ligand. The materials were used to prepare a carbon paste electrode for the determination of Cd(II). Polymerization was performed with (a) methacrylic acid as a functional monomer, (b) ethyleneglycol dimethacrylate as the crosslinking …

Voltammetric Determination of Boron using Cobalt

phthalocyanine modified carbon paste electrode (CoPMCPE). Although CoPMCPEs have been used for determination of organic compounds such as phenols and dithiocarbamate fungucides, there is no study attempting to assess electrochemical determination of boron by using a chemically modified carbon paste electrode.

1. Introduction

A new electrochemical sensor based on modified carbon nanotube-graphite mixture paste electrode for voltammetric determination of resorcinol Asian Journal of Pharmaceutical and Clinical Research 2017 10 12 295 300 10.22159/ajpcr.2017.v10i12.21028 2-s2.0-85036647890 12 Uwaya G. E. Fayemi O. E. Electrochemical detection of choline at f-MWCNT/Fe 3

alytic adsorptive stripping voltammetric determination

A alytic adsorptive stripping voltammetric method for the determination of copper(II) on a carbon paste electrode (PCE) in an alizarin red S (ARS)-K2S2O8 system is proposed. In this method, copper(II) is effectively enriched by both the formation and adsorption of a copper(II)-ARS complex on the PCE, and is determined by alytic stripping voltammetry.

Determination of Magnesium in Blood Serum by Using Carbon

A new Mg 2+ Carbon paste ion selective electrode based on4,5-Bis (benzoylthio)-1,3-dithiole-2-thione (BZ 2 dmit) for determination of trace amount of Magnesium in Blood Serum was prepared. Using nanosilica and multi-walled carbon nanotube (MWCNT) in the composition of carbon paste electrodes causes improvement in their characterizations.

Modified Carbon Nanotube Paste Electrode for Voltammetric

A simple and convenient method is described for voltammetric determination of carbidopa (CD), based on its electrochemical oxidation at a modified multiwall carbon nanotube paste electrode. Under optimized conditions, the proposed method exhibited acceptable analytical performances in terms of linearity (over the concentration range from 0.1 to 700.0 μM), detection limit

Design and fabriion of carbon paste electrode for

ionophore for the preparation of Cr(III)-carbon paste electrode. Percentage of carbon paste electrode composition including, graphite powder, ionophore, paraffin oil as a binder, and , was optimized with a chemometric approach using a central composite design method. The optimum percentage of ionophore and nanomaterial in the electrode was

Voltammetric determination of phenylephrine hydrochloride

Dec 05, 2018· A chemically modified carbon paste electrode (CPE) was designed by mixing graphite and multi-walled carbon nanotubes (MWCNT). The electrochemical behaviour was studied, and the determination method of phenylephrine hydrochloride (PHE) on this sensor was established.

A Comparative Study of Carbon Nanotube paste Electrode for

Figure 1b and 1c show impedance spectrum at carbon paste electrode and modified carbon paste electrode with purified CNT, respectively. As shown in this figure, the diameter of the semicircle, indiing the corresponding, Rct, are 13.43 × 103 Ω, 8.75 × 103 Ω and 3.13 × 103 Ω for diagrams a, b and c, respectively.

A Comparative Study of Carbon Nanotube paste Electrode for

Figure 1b and 1c show impedance spectrum at carbon paste electrode and modified carbon paste electrode with purified CNT, respectively. As shown in this figure, the diameter of the semicircle, indiing the corresponding, Rct, are 13.43 × 103 Ω, 8.75 × 103 Ω and 3.13 × 103 Ω for diagrams a, b and c, respectively.

A Comparative Study of Carbon Nanotube paste Electrode for

Figure 1b and 1c show impedance spectrum at carbon paste electrode and modified carbon paste electrode with purified CNT, respectively. As shown in this figure, the diameter of the semicircle, indiing the corresponding, Rct, are 13.43 × 103 Ω, 8.75 × 103 Ω and 3.13 × 103 Ω for diagrams a, b and c, respectively.

Poly (red DSBR)/Al-ZnO modified carbon paste electrode

Jul 12, 2021· Rahim, A. M. A. & Gaber, A. A. A. Fabriion and characterization of extrinsic electrochemically modified graphite reinforcement carbon paste electrode for selective determination …

Electrochemical determination of copper ions in spirit

This work describes for first time the use of biochar as electrode modifier in coination with differential pulse adsorptive stripping voltammetric (DPAdSV) techniques for preconcentration and determination of copper (II) ions in spirit drinks samples (Cachaça, Vodka, Gin and Tequila). Using the best set of the experimental conditions a linear response for copper ions in the concentration

Electrochemical determination of copper ions in spirit

This work describes for first time the use of biochar as electrode modifier in coination with differential pulse adsorptive stripping voltammetric (DPAdSV) techniques for preconcentration and determination of copper (II) ions in spirit drinks samples (Cachaça, Vodka, Gin and Tequila). Using the best set of the experimental conditions a linear response for copper ions in the concentration

SciELO - Brasil - Determination of anti-cancer drug emodin

ARTIGO. Determination of anti-cancer drug emodin using a silica-gel-modified carbon paste electrode. Dai Long Vu I; Bensu Ertek II; Yusuf Dilgin II; Libor Cervenka III, * * e-mail: [email protected] . I Biomedical Research Center, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic . II Department of Chemistry, Science & Art Faculty, Canakkale Onsekiz

Carbon Paste Modified Electrode as Powerful Sensor

Title:Carbon Paste Modified Electrode as Powerful Sensor Approach Determination of Food Contaminants, Drug Ingredients, and Environmental Pollutants: A Review VOLUME: 15 ISSUE: 4 Author(s):Hassan Karimi-Maleh*, Fatemeh Karimi, Morteza Rezapour, Majede Bijad, Mohammad Farsi, Aliasghar Beheshti and Seyed-Ahmad Shahidi

Voltammetric determination of diethylstilbestrol at carbon

Oct 16, 2002· Voltammetric determination of diethylstilbestrol at carbon paste electrode using cetylpyridine bromide as medium. Zhang S(1), Wu K, Hu S. Author information: (1)Department of Chemistry, Wuhan University, 430072 Wuhan, People''s Republic of China; Department of Chemistry, Hubei Institute for Nationalities, 445000 Enshi, People''s Republic of China.