carbon paste electrode for determination

Graphene Oxide Modified Carbon Paste Electrode for …

A precise and sensitive electrochemical sensor based on a simple graphene oxide modified carbon paste electrode (GO/CPE) was successfully fabried for simultaneous detection of epinephrine (EPN), uric acid (UA), and ascorbic acid (AA). The GO/CPE displays better electrochemical activity towards EPN by largely improving the current sensitivity and

New Carbon Paste Modified Micro Electrode Based on Haematoxylin for Determination …

New Carbon Paste Modified Micro Electrode Based on Haematoxylin for Determination of Aluminum in Underground Water Gaber A. M. Mersal1,2,*, Hassan A. Arida1,3 1Chemistry Department, Faculty of

{A novel carbon paste electrode based on nitrogen-doped hydrothermal carbon for electrochemical determination …

Abstract: In this work, a new carbon paste electrode, prepared from nitrogen- -doped hydrothermal carbon (CHTCN) was applied for the electrochemical detection and determination of carbendazim fungicide. CHTCN samples with the nominal nitrogen content 0

Nanomaterial-Based Carbon Paste Electrodes for …

In addition to conventionally constructed electrode, the carbon paste type electrode has become attracted and wide appliion for potentiometric determination of target species. The

Development of a new chemically modified carbon paste …

2013/11/15· The modified carbon paste electrode was successfully applied as an indior electrode in potentiometric titration and potentiometric determination of oxalate ion in …

A Novel Electrochemical Sensor Based on FeNi3/CuS/ …

2020/8/9· Hence, we constructed a new electrochemical sensor to detect BPA on the basis of the modified carbon paste electrode using FeNi 3 /CuS/BiOCl as a novel nanocomposite. Results showed that when using optimized conditions, the new BPA sensor has a wide linear range between 0.1 μM and 300 μM, lower limit of detection of 0.05 μM, and good reproducibility and stability.

Graphene Oxide Modified Carbon Paste Electrode for …

A precise and sensitive electrochemical sensor based on a simple graphene oxide modified carbon paste electrode (GO/CPE) was successfully fabried for simultaneous detection of epinephrine (EPN), uric acid (UA), and ascorbic acid (AA). The GO/CPE displays better electrochemical activity towards EPN by largely improving the current sensitivity and

Manganese dioxide-modified carbon paste electrode for …

Graphical abstractManganese(IV) oxide was used as a modifier for the carbon paste electrode (MnO2/CPE) for improving its performance toward riboflavin oxidation. Cyclic voltammetry and differential voltammetry were used for characterization and determination of riboflavin, respectively.

Chemically modified multiwalled carbon nanotube carbon paste electrode for copper determination

In addition to conventionally constructed electrode, the carbon paste type electrode has become attracted and wide appliion for potentiometric determination of target species. The

Appliion of a Graphene Oxide–Carbon Paste …

2014/7/22· Graphene oxide-modified carbon paste electrode was used in coination with the SWASV technique to develop a novel and alternative electroanalytical method for lead determination in real samples. The GO-modified electrode exhibits stability, reproducibility and favourable properties for quantitative lead determination.

SWCNT-modified carbon paste electrode as an electrochemical sensor for histamine determination …

In this work, a single-walled carbon nanotube-modified carbon paste electrode (SWCNT-CPE) was used for the elec-trochemical determination of histamine. The electrochemical

Maize tassel-modified carbon paste electrode for …

In this paper, a carbon paste electrode modified with maize tassel for the determination of Cu(II) has been proposed. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) were used to study morphology and identify the functional groups on the modified electrode, respectively.

Redox active Co(II) complex modified carbon paste …

2020/3/1· 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 []. Demir et al. synthesized three metallo-phthalocyanines modified electrode for simultaneous determination of DA, uric acid (UA) and ascorbic acid (AA) [ 48 ].

An electrochemical sensor based on a carbon paste …

This study presents a rapid, simple, sensitive, and selective electrochemical sensor prepared using a carbon paste electrode for the electrochemical determination of buserelin—an anti-prostate cancer drug. Differential pulse voltammetry (DPV) and cyclic

Electroanalytical Performance of a Carbon Paste …

Electrochemical determination of acetaminophen (APAP) was successfully performed using a carbon paste electrode (CPE) modified with coffee husks (CH-CPE). Scanning electron microscopy (SEM) and SEM-energy dispersive X-ray spectroscopy (SEM-EDX) were, respectively, used for the morphological and elemental characterization of coffee husks prior to their utilization.

Nanocellulosic fiber-modified carbon paste electrode …

2012/10/4· DPASV for simultaneous determination of Cd (II) and Pb (II) without accumulation (a), after 10-min accumulation using NCF-modified carbon paste electrode (c) using mercury thin film carbon paste electrode (b) [stripping solution, 0.1 M HCl]

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.

Electroanalytical Performance of a Carbon Paste …

Electrochemical determination of acetaminophen (APAP) was successfully performed using a carbon paste electrode (CPE) modified with coffee husks (CH-CPE). Scanning electron microscopy (SEM) and SEM-energy dispersive X-ray spectroscopy (SEM-EDX) were, respectively, used for the morphological and elemental characterization of coffee husks prior to their utilization.

Chemically modified carbon paste electrode for the …

A carbon-paste electrode for dicyclomine hydrochloride (DcCl) was prepared and fully characterized in terms of composition, life span, usable pH range and temperature. The electrode was applied to the potentiometric determination of dicylominium ion in its pure state and in pharmaceutical preparations in batch and flow injection conditions and in biological fluids using standard additions method.

Modified carbon paste electrode for potentiometric …

2013/6/1· The proposed carbon paste electrode shows a very good selectivity for Ag(I) over a wide variety of metal ions. The modified electrode was successfully used for the determination of the silver content in burning cream and radiological films with satisfactory results

Poly (vanillin) modified carbon paste electrode for the …

2019/12/1· Because of its electroalytic capability, selectivity, sensitivity, and reproducibility the poly (vanillin) modified carbon paste electrode is very useful in the determination of AD,UA and other bioactive molecules in the field of electro-analytical chemistry.

Chemically modified carbon paste electrode for …

2002/1/4· The utility of carbon paste electrode modified with DTPT (3,4-dihydro-4,4,6-trimethyl-2(1H)-pyrimidine thione) for the potentiometric determination of Cu(II) in aqueous medium is demonstrated. The electrode exhibits linear response to Cu(II) over a wide concentration range (9.77x10(-7)-7.6x10(-2)) with Nernstian slope of 30+/-2 mV per decade.

Carbon paste electrode - Wikipedia

Carbon paste electrodes belong to a special group of heterogeneous carbon electrodes. These electrodes are widely used mainly for voltammetric measurements; however, carbon paste-based sensors are also applicable in coulometry (both amperometry and potentiometry ).

USING CHROMIUM MODIFIED CARBON PASTE ELECTRODE FOR HEAVY METAL IONS DETERMINATION

modified carbon paste electrode for simple and high sensitive simultaneous determination of zinc, cadmium, lead and copper ions. Square wave anodic stripping voltammetry which is very sensitive for metal ions was selected as electrochemical detection method

(PDF) Carbon Paste Electrode Modified with Carbon …

2012/5/1· In this research, carbon paste electrode (CPE) was modified with carbon nanotube (CNT) and poly(3-aminophenol) and the modified electrode was used for voltammetric determination of paracetamol.

Chemically modified carbon paste electrode for iodide …

A new carbon paste electrode (CPE) for the determination of iodide ion based on a cetyltrimethylammonium iodide (CTMAI) ion pair as an electroactive material is described. The electrode shows a linear response for iodide ion over the concentration range of 4 x 10(-5) M to 1 x 10(-1) M with a lower detection limit of 4 x 10(-5) M at 25 degrees C.

A Gold Nanoparticle-Modified Carbon Paste Electrode as a Sensor for Simultaneous Determination …

nanoparticles carbon paste electrode (GN-CPE). Differential pulse voltammetry (DPV) was used for determination of both drugs. The modified electrode exhibited electroalytic properties toward acetaminophen and atenolol oxidation with a potential

New Carbon Paste Modified Micro Electrode Based on Haematoxylin for Determination …

New Carbon Paste Modified Micro Electrode Based on Haematoxylin for Determination of Aluminum in Underground Water Gaber A. M. Mersal1,2,*, Hassan A. Arida1,3 1Chemistry Department, Faculty of