carbon paste electrode and copper

Electroalytic oxidation of the antiviral …

07.05.2009· The copper microparticles and copper nanoparticles-modified carbon paste electrodes (denoted as micro-CPE and nano-CPE, respectively) were prepared by mixing carbon powder, copper micro- or nanoparticles, and mineral oil with a 60/20/20% (w/w) ratio. nano-CPE covered with Nafion was prepared by applying 10 μL of a 5% w/v low aliphatic …

Evaluation of Carbon Nanotube Paste Electrode Modified

A carbon nanotube paste electrode modified with copper microparticles (CNTPE-Cu) was constructed and used for determination of quercetin in apple juice. The optimal content of carbon nanotubes/copper

Evaluation of a carbon paste electrode modified with

The carbon paste electrode was finally obtained by packing the paste into a plastic tube 4.5 mm i.d. (geometrical area 0.16 cm2) and arranged with a copper wire serving as an external electric contact. Appropriate packing was achieved by pressing the electrode surface against a bond paper until a smooth surface was obtained.

Ion-selective carbon paste electrode based …

25.10.2004· As can be seen, the electrode with unmodified carbon paste gives a potentiometric response to copper(II) and mercury(II) ions, although this response is very different to that obtained when the modifier ligand is present in the carbon paste. The electrode with modified carbon paste has a wider working concentration range, faster response times (about 200–100 times better) and more stable potentiometric responses (about 10–12 times better) than the electrode …

(PDF) CARBON PASTE ELECTRODE …

: This paper reports on the use of carbon paste electrode modified with clay (Clay-CPE) and cyclic voltammetry (CV) for analytical detection of trace copper (II) in Na2SO4 0.1M.

Carbon paste electrode - Wikipedia

A carbon-paste electrode (CPE) is made from a mixture of conducting graphite powder and a pasting liquid. These electrodes are simple to make and offer an easily renewable surface for electron exchange.Carbon paste electrodes belong to a special group of heterogeneous carbon electrodes. These electrodes are widely used mainly for voltammetric measurements; however, carbon paste …

3+ Carbon Paste Electrode Based on New Nano-composite

Int. J. Electrochem. Sci., 5 (2010) 367 - 376 International Journal of ELECTROCHEMICAL SCIENCE Er 3+ Carbon Paste Electrode Based on New Nano-composite Parviz Norouzi, 1,2,* Zahra Rafiei-Sarmazdeh,1 Farnoush Faridbod,2 Mina Adibi 3 and Mohammad Reza Ganjali 2,1 1 Center of Excellence in Electrochemistry, Faculty of …

Determination of thiourea using a carbon …

28.02.2013· We report on a novel sensor for the electrochemical determination of thiourea (TU). It is based on an active carbon paste electrode modified with copper oxide nanoparticles. The modified electrode and the electrochemical properties of thiourea on its surface were investigated using cyclic voltammetry and differential pulse voltammetry. Under optimized conditions, the …

Making a carbon paste electrode - IO Rodeo …

01.05.2021· In this work a novel selective sensor for copper based on a carbon paste electrode modified with 2-mercaptobezothiazole (CPE-T) using square wave anodic stripping voltammetry (SWASV) is presented. Parameters such as pH, potential and deposition time, amount of bismuth, etc. were optimized to have a selective and quantitative detection of …

Electrodeposited Bi-Au nanocomposite …

Electrodeposited Bi-Au nanocomposite modified carbon paste electrode for the simultaneous determination of copper and mercury†. S. Sahoo , A. K. Satpati * and A. V. R. Reddy Analytical Chemistry Division, Bhabha Atomic Research Centre, Muai-400085, India.

Electrodeposited Bi-Au nanocomposite modified carbon paste

carbon paste electrode for the simultaneous determination of copper and mercury† S. Sahoo, A. K. Satpati* and A. V. R. Reddy Composites of bismuth and gold nanoparticles (Bi–AuNPs) were prepared on a carbon paste electrode (CPE) by an electrochemical deposition method. The electrochemical parameters were optimized for the

Voltammetric copper(II) determination …

The clay mineral montmorillonite has been tested as modifier for the carbon paste electrode with a novel electrode modifiion technique. The differential pulse voltammetric determination of copper(II) by means of this modified carbon paste electrode has been studied. A detection limit of 4×10-8 mol/l has been achieved after 10 min preconcentration under open circuit conditions …

Multiwall Carbon Nanotubes Modified Carbon Paste …

Multiwall Carbon Nanotubes Modified Carbon Paste Electrode for Determination of Copper(II) by Potentiometric and Impedimetric Methods M. Mazloum-Ardakani*, a, A. A. Mandegarib, S. Masoumc, H. Naeimid a Department of Chemistry, Faculty of Science, Yazd University, Yazd, I. R. Iran

carbon paste electrode and copper

Evaluation of a carbon paste electrode modified with organofunctionalised SBA-15 silica in the determination of copper. Evaluation of a carbon paste electrode modified with organofunctionalised SBA-15 silica in the determination of copper I.Cesarino I; G. Marino ; J.R. Matos II; E.T. G. CavalheiroI,* I Inst. de Química de São Carlos, Univ. de São Paulo, P.O. Box …

Nanocomposite Based Carbon Paste …

Nanocomposite based carbon paste ion-selective electrode for analysis of copper was prepared. The sensing material used in this sensor was a coumarin derivative. Conductomeric study in acetonitrile solution showed a selective interaction between sensing material and copper ions in comparison with other common metal ions.

carbon paste electrode and copper

Evaluation of a carbon paste electrode modified with organofunctionalised SBA-15 silica in the determination of copper. Evaluation of a carbon paste electrode modified with organofunctionalised SBA-15 silica in the determination of copper I.Cesarino I; G. Marino ; J.R. Matos II; E.T. G. CavalheiroI,* I Inst. de Química de São Carlos, Univ. de São Paulo, P.O. Box …

Carbon Paste Electrodes | Analytical …

Carbon Paste Modified Electrode as Powerful Sensor Approach Determination of Food Contaminants, Drug Ingredients, and Environmental Pollutants: A Review. Current Analytical Chemistry 2019, 15 (4) , 410-422.

Carbon Paste Electrodes | Analytical Chemistry

Development of a Carbon Paste Electrode Modified with Reduced Graphene Oxide and an Imidazole Derivative for Simultaneous Determination of Biological Species of N-acetyl-L-cysteine, Uric Acid and Dopamine. Electroanalysis 2016, 28 (7) , 1625-1633. /p>

Multiwall Carbon Nanotubes Modified Carbon Paste …

Multiwall Carbon Nanotubes Modified Carbon Paste Electrode for Determination of Copper(II) by Potentiometric and Impedimetric Methods M. Mazloum-Ardakani*, a, A. A. Mandegarib, S. Masoumc, H. Naeimid a Department of Chemistry, Faculty of Science, Yazd University, Yazd, I. R. Iran

Carbon Paste Electrodes | Analytical …

Carbon Paste Modified Electrode as Powerful Sensor Approach Determination of Food Contaminants, Drug Ingredients, and Environmental Pollutants: A Review. Current Analytical Chemistry 2019, 15 (4) , 410-422.

Carbon Paste Electrode Modified with Ascorbic Acid and

copper content in sugar cane spirit samples from the south of Minas Gerais, using a carbon paste electrode modified with ascorbic acid and carbon nanotubes using the square wave voltammetry technique.

Copper nanoparticles incorporating a …

15.01.2020· Copper nanoparticles incorporating a ionic surfactant-graphene modified carbon paste electrode for the simultaneous determination of gatifloxacin and pefloxacin - ScienceDirect. Journal of Electroanalytical Chemistry. Volume 857, 15 January 2020, 113730.

Evaluation of Carbon Nanotube Paste Electrode Modified

A carbon nanotube paste electrode modified with copper microparticles (CNTPE-Cu) was constructed and used for determination of quercetin in apple juice. The optimal content of carbon nanotubes/copper

Renewable New Copper Complex …

A conductive carbon paste electrode (CPE) comprised of a new copper‐complex of [Cu2(Dpq)2(Ac)2(H2O)2](ClO4)2⋅H2O (Dpq=dipyrido[3,2‐d : 2′,3′‐f]quinoxaline, Ac=acetate) and carbon powder, was fabri

ELECTROCHEMICAL SENSOR BASED ON THE CARBON PASTE …

recorded at carbon paste electrode (CPE), in electrolytic solution 0.1M NaCl, in the absence (Fig. 1 curve a) and presence (Fig. 1 curve b) of Cu 2+ ions. As shown in Fig. 2, the presence

Carbon paste electrode modified with …

Carbon paste electrode modified with copper(II) phosphate immobilized in a polyester resin for voltammetric determination of L-ascorbic acid in pharmaceutical formulations

Nanocomposite Based Carbon Paste Electrode for Selective

The electrode has short response time of 15 s and could be used for a period of 6 weeks. The electrode was used successfully for analysis of copper in waste water samples. Keywords: Multi-Walled Carbon Nanotubes, Sensor, Copper Ions, Carbon Paste, Ion Selective Electrode, Potentiometry 1. INTRODUCTION

(PDF) CARBON PASTE ELECTRODE …

: This paper reports on the use of carbon paste electrode modified with clay (Clay-CPE) and cyclic voltammetry (CV) for analytical detection of trace copper (II) in Na2SO4 0.1M.