نتایج جستجو برای: adsorptive stripping voltammetry

تعداد نتایج: 14956  

2015
Saeed Shahrokhian Masoumeh Ghalkhani Maryam Bayat Fatemeh Ghorbani-Bidkorbeh

The voltammetric performance of edge-plane pyrolytic graphite (EPG) electrode via adsorptive stripping voltammetry was investigated for study of the electrochemical behavior of omeprazole (OMZ) in aqueous solution. The results revealed that the oxidation of OMZ is an irreversible pH-dependent process that proceeds with the transfer of one electron and one proton in an adsorption-controlled mech...

Journal: :Journal of pharmaceutical and biomedical analysis 2006
Henri P A Nouws Cristina Delerue-Matos Aquiles A Barros José A Rodrigues

Electroanalytical methods based on square-wave adsorptive-stripping voltammetry (SWAdSV) and flow-injection analysis with SWAdSV detection (FIA-SWAdSV) were developed for the determination of paroxetine (PRX). The methods were based on the reduction of PRX at a mercury drop electrode at -1.55V versus Ag/AgCl, in a borate buffer of pH 8.8, and the possibility of accumulating the compound at the ...

2008
Olga Domínguez-Renedo M. Encarnación Burgoa Calvo M. Julia Arcos-Martínez

This paper describes a procedure that has been optimized for the determination of lamotrigine by Differential Pulse Adsorptive Stripping Voltammetry (DPAdSV) using carbon screen-printed electrodes (CSPE) and mercury coated carbon screen-printed electrodes. Selection of the experimental parameters was made using experimental design methodology. The detection limit found was 5.0 x 10-6 M and 2.0 ...

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