Results 21 to 30 of about 177,068 (269)

Adsorptive Stripping Voltammetry for Determination of Cadmium in the presence of Cupferron on a Nafion-coated Bismuth Film Electrode

International Journal of Electrochemical Science, 2012
The method for reliable determination of Cd(II) by square wave adsorptive cathodic stripping voltammetry was done. The technique involves an interfacial adsorption of Cd(II) as Cd-cupferron complex on a Nafion-coated bismuth film electrode and subsequent
Nipaporn Meepun, Suphawuth Siriket, Saravut Dejmanee   +2 more
doaj   +1 more source

Simultaneous determination of chloramphenicol and tinidazole by electrochemical analysis using MnO2/electrochemically reduced graphene oxide modified electrode

Journal of Science: Advanced Materials and Devices, 2023
Manganese (IV) oxide/electrochemically reduced graphene oxide (MnO2/ErGO) composite was synthesized in an oxidation-reduction process followed by electrochemical reduction.
Nguyen Hai Phong, Ho Xuan Anh Vu, Nguyen Van Hop, Nguyen Duc Vu Quyen, Ho Van Minh Hai, Nguyen Dinh Luyen, Pham Khac Lieu, Dinh Quang Khieu   +7 more
doaj   +1 more source

Chromium–protein complexation studies by adsorptive cathodic stripping voltammetry and MALDI-TOF–MS [PDF]

, 2012
A methodology using stripping voltammetry has been elaborated to enable sensitive and reliable protein-chromium complexation measurements. Disturbing effects caused by adsorption of proteins on the mercury electrode were addressed.
Johan Jacksén, Åsa Emmer, Emmer, Åsa,, Hedberg, Yolanda Susanne,, Maria Lundin, Eva Blomberg, Yolanda Hedberg, Jacksén, Johan,, Blomberg, Eva,, Inger Odnevall Wallinder, Wallinder, Inger Odnevall,, Lundin, Maria,, Odnevall Wallinder, Inger,, Hedberg, Yolanda,   +13 more
core   +1 more source

Optimization of Dissolved Fe(III) Determination in Coastal Water by Using Electrochemistry Approach and 2, 3- Dihydroxynaphthalene as the Binding Ligand

International Journal of Electrochemical Science, 2021
An optimization procedure was developed in this study using Competitive Ligand Exchange-Adsorptive Cathodic Stripping Voltammetry (CLE-AdCSV) to determine the concentration of dissolved Fe(III) in coastal water collected at Pulau Redang, Terengganu.
Nur Jannati Ramjam, Khairul Nizam Mohamed   +1 more
doaj   +1 more source

Fe-binding organic ligands in coastal and frontal regions of the western Antarctic Peninsula [PDF]

Biogeosciences, 2021
Organic ligands are a key factor determining the availability of dissolved iron (DFe) in the high-nutrient low-chlorophyll (HNLC) areas of the Southern Ocean. In this study, organic speciation of Fe is investigated along a natural gradient of the western
I. Ardiningsih, K. Seyitmuhammedov, S. G. Sander, C. H. Stirling, G.-J. Reichart, G.-J. Reichart, K. R. Arrigo, L. J. A. Gerringa, R. Middag, R. Middag   +9 more
doaj   +1 more source

Determination of Trace Amounts of Thallium by Adsorptive Cathodic Stripping Voltammetry with Xylenol Orange

Analytical Sciences, 2002
Trace amounts of thallium(I) can be determined using adsorptive cathodic stripping voltammetry in the presence of Xylenol Orange (XO). The reduction current of the thallium(I)-XO complex ion was measured by square-wave cathodic stripping voltammetry. The peak potential was at -0.44 V vs. Ag/AgCl.
SHAMS, Esmaeil, YEKEHTAZ, Mehdi
openaire   +3 more sources

Nanostructured Bismuth Film Electrode for Detection of Progesterone

Sensors, 2018
Progesterone is an important hormone responsible, among others, for maintaining pregnancy via inhibition of uterus muscles activity; thus, following its concentration levels in pregnant women is of immense importance in the endeavor to prevent premature ...
Tanja Zidarič, Vasko Jovanovski, Samo B. Hočevar   +2 more
doaj   +1 more source

Adsorptive Cathodic Stripping Voltammetric Determination of Cefoperazone in Bulk Powder, Pharmaceutical Dosage Forms, and Human Urine

Journal of Analytical Methods in Chemistry, 2013
The electroreduction behaviour and determination of cefoperazone using a hanging mercury drop electrode were investigated. Cyclic voltammograms of cefoperazone recorded in universal Britton-Robinson buffers pH 3–6 exhibited a single irreversible cathodic
Vu Dang Hoang, Dao Thi Huyen, Phan Hong Phuc   +2 more
doaj   +1 more source

Cathodic adsorptive stripping voltammetry of an anti-emetic agent Granisetron in pharmaceutical formulation and biological matrix

Journal of Pharmaceutical Analysis, 2012
Granisetron showed one well-defined reduction peak at Hanging Mercury Drop Electrode (HMDE) in the potential range from −1.3 to −1.5 V due to reduction of C=N bond.
Rajeev Jain, Ramkishor Sharma
doaj   +1 more source

Adsorptive Stripping Voltammetric Determination of Cobalt (II) on the Carbon Paste Electrode

International Journal of Electrochemical Science, 2011
Traces of cobalt (II) can be determined by adsorptive stripping voltammetry using Nitroso-S as complex forming reagent. First in acetate buffer pH 5.0, cobalt (II)-Nitroso-S complex was adsorbed on the carbon paste electrode with an accumulation ...
Alireza Mohadesi, Elham Teimoori, Mohammad Ali Taher, Hadis Beitollah   +3 more
doaj   +1 more source