نتایج جستجو برای: coulometry

تعداد نتایج: 183  

2012
Rupert Bauer Peter Nussbaumer Michael Neumann-Spallart

Z. Naturforsch. 43b, 475-482 (1988); received February 13/October 22, 1987 Electron Transfer Relays, Viologen Derivatives, Bipyridinium Compounds, Stable Cation Radicals, Photoinduced Water Splitting The synthesis of some new bipyridinium salts is described. Their behavior upon reduction is studied by cyclovoltammetry, coulometry and spectroscopically. Halfwave potentials range from —0.28 V to ...

Journal: :Electrochemistry 2022

All-solid-state batteries (ASSBs) using sulfide-based solid electrolytes (SEs) are promising energy storage devices beyond the present liquid-type lithium-ion (LIBs) organic solvents, which expected to realize adaptation of new systems such as higher-voltage cathodes. However, in recent years, undesirable side reactions being reported nanometer-order region at interface cathode active materials...

Journal: :Journal of the American Chemical Society 2009
Kristy A McNitt Kumar Parimal Andrew I Share Albert C Fahrenbach Edward H Witlicki Maren Pink D Kwabena Bediako Christina L Plaisier Nga Le Lee P Heeringa Douglas A Vander Griend Amar H Flood

The reduction of a redox-active ligand is shown to drive reversible switching of a Cu(I) [2]pseudorotaxane ([2]PR(+)) into the reduced [3]pseudorotaxane ([3]PR(+)) by a bimolecular mechanism. The unreduced pseudorotaxanes [2]PR(+) and [3]PR(2+) are initially self-assembled from the binucleating ligand, 3,6-bis(5-methyl-2-pyridine)-1,2,4,5-tetrazine (Me(2)BPTZ), and a preformed copper-macrocycle...

With the aim of obtaining information about drug-drug interaction (DDI) between acetaminophen and some of antidepressant drugs (fluoxetine, sertraline and nortriptyline), in the present work we studied the electrochemical oxidation of acetaminophen (paracetamol) in the presence of these drugs by means of cyclic voltammetry and Controlled-potential coulometry. The reaction between N-acetyl-p-ben...

Journal: :Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 1992

2008
Jun Zhang Yung-Eun Sung Per Arne Rikvold Andrzej Wieckowski

We study the underpotential deposition of Cu on single-crystal Au(111) electrodes in sulfate-containing electrolytes by a combination of computational statistical-mechanics based lattice-gas modeling and experiments. The experimental methods are in situ cyclic voltammetry and coulometry and ex situ Auger electron spectroscopy and low-energy electron diffraction. The experimentally obtained volt...

2015
Davood Nematollahi Bahareh Feyzi Barnaji Ameneh Amani

With the aim of obtaining information about drug-drug interaction (DDI) between acetaminophen and some of antidepressant drugs (fluoxetine, sertraline and nortriptyline), in the present work we studied the electrochemical oxidation of acetaminophen (paracetamol) in the presence of these drugs by means of cyclic voltammetry and Controlled-potential coulometry. The reaction between N-acetyl-p-ben...

2004
Lida Fotouhi Mahsa Ganjavi Davood Nematollahi

The electrochemical oxidation of iodide in the presence of phenol and o-cresol was investigated at a glassy carbon electrode in buffered media by cyclic voltammetry, linear sweep voltammetry and controlled–potential coulometry. The experimental results indicate that the phenol and o-cresol convert to their derivatives after participating in a halogenation coupled reaction (quasi-catalytic react...

Journal: :Analytica chimica acta 2013
Mohamed M Marei Thomas J Roussel Robert S Keynton Richard P Baldwin

Remote unattended sensor networks are increasingly sought after to monitor the drinking water distribution grid, industrial wastewater effluents, and even rivers and lakes. One of the biggest challenges for application of such sensors is the issue of in-field device calibration. With this challenge in mind, we report here the use of anodic stripping coulometry (ASC) as the basis of a calibratio...

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