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Article
Characterization of IrO2-SnO2 Films Prepared by Physical Vapor Deposition at Ambient Temperature
The synthesis of thin-film electrodes of IrO2-SnO2 was carried out at room temperature by rf-magnetron sputtering, and their characterization was attained through electrochemical (cyclic voltammogram, electrochem...
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Article
Electroxidation of oxalic acid at different electrode materials
Oxalic acid is one of the proposed metabolites of the anodic oxidation of more complex organic molecules. In spite of its simple structure, its mineralization strongly depends on the nature of the electrode ma...
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Article
Nitrite oxidation on RuO2 electrodes
An electrochemical kinetic investigation of nitrite oxidation to nitrate on RuO2 is discussed. The process is studied by cyclic voltammetry, steady-state measurements and potential step measurements. The overall ...
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Article
Adsorption of thallium cations on RuO2–TiO2 electrodes
The electrochemical ion-exchange properties of RuO2–TiO2 film electrodes with different composition have been studied in acidic and alkaline media. Thallium-cation uptake has been observed only from the latter an...
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Article
Electrochemical incineration of oxalic acid: Reactivity and engineering parameters
Mass transfer measurements were carried out to test a disk-shaped parallel-plate electrochemical cell, based on a new design. The im**ing-jet-cell concept, confined between parallel plates, was adapted to a ...
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Article
Effect of Surface Structure on Behavior of RuO2 Electrodes in Sulfuric Acid Aqueous Solution
The electrochemical properties of RuO2 electrodes are studied by means of cyclic voltammetry, potential step, and impedance measurements in aqueous 0.5 mol/dm3 H2SO4 as a supporting electrolyte solution and apply...
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Article
The Bromine Electrode. Part I: Adsorption Phenomena at Polycrystalline Platinum Electrodes
A cyclic voltammetric study of the behaviour of Br− and Br− 3 at Pt electrodes, in the potential range between hydrogen and oxygen evolution, is described. Different experiments were carried out, in the presence ...
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Article
Acetonitrile as Adsorbate or Solvent to Probe the Crystal Face Specificity of Metal–Water Interaction at Silver Electrode/Solution Interfaces
The crystal face specificity of metal–water interaction at Ag electrode/solution interfaces is investigated by using acetonitrile (ACN) as a probe molecule of the water interfacial structure or as a solvent in...
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Article
Crystal Face Specificity of Incipient Oxidation of Ag Single Crystal Electrodes in Acidic Aqueous Solution
The onset of anodic oxidation of Ag single crystal face electrodes in acidic solution is investigated by means of capacitance and voltammetric curves. The potential of incipient oxidation is found to depend on...
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Article
Electrosynthesis of dehydrocholic acid from cholic acid
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Article
Service life of Ti/SnO2–Sb2O5 anodes
The service life of SnO2–Sb2O5 coated anodes prepared by the spray pyrolysis technique using Ti or Ti/IrO2 substrate, was studied under galvanostatic conditions (100mAcm–2 in 1m H2SO4 at 25°C. The results show...
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Chapter and Conference Paper
Study of ZrO2 Coatings by Thermoanalytical and Fourier Spectroscopic Methods
The formation mechanism of ZrO2 — used for the stabilization of electrocatalytic thin films — from ZrOCl2·8H2O precursor was followed as the function of the firing temperature for the powder form as well as for t...
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Article
Electrochemical properties of Ti/SnO2-Sb2O5 electrodes prepared by the spray pyrolysis technique
Cyclic voltammetry for the ferri-ferrocyanide redox couple has been used to study the Ti/SnO2-Sb2O5 electrode prepared by spray-pyrolysis under different conditions. The obtained results shows that increasing the...
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Article
Preparation of SnO2-Sb2O5 films by the spray pyrolysis technique
Spray pyrolysis has been widely used for the preparation of thin (∼0.1 μm) and transparent SnO2 films on glass substrates. In the present paper the parameters of the spray pyrolysis for the preparation of thick S...
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Chapter
Oxide Electrocatalysts. The Case of RuO2-Based Film Electrodes
Electrodes based on mixtures of platinum metal oxides stabilized with other components, like TiO2, Ta2O5, ZrO2, important for industrial applications (1–3), are quite interesting also as model electrodes for fund...
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Article
Electrochemical treatment of bisphenol-A containing wastewaters
The effectiveness of electrochemical methods in purification of synthetic wastewaters containing bisphenol-A has been tested. The role of electrode material and electrolysis parameters have been considered. Th...
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Article
Thermoanalytical investigation on the formation of IrO2-based mixed oxide coatings
The formation reactions of IrO2/TiO2 mixed oxide films supported on titanium metal plate were followed by thermoanalytical (simultaneous TGA, DTG, DTA) and combined thermoanalyticalmass spectrometric (TGA-MS) tec...
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Article
Adsorption von aliphatischen Nitrilen an der Grenzfläche Quecksilber—wäßrige Lösung
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Article
Ruthenium dioxide-based film electrodes
Oxygen evolution from acid solutions has been investigated on two kinds of RuO2-based electrodes; compact and cracked (porous) films. The kinetic study has been carried out by means of potentiostatic curves. A me...
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Article
Possibility of utilizing electrochemical techniques for the evaluation of the content of organic impurities in water
The use of some special electrochemical techniques, such as the measurement of the double layer capacitance and the determination by fast charging curves of the fraction of electrode surface covered with adsor...