نتایج جستجو برای: analytical electrochemistry
تعداد نتایج: 172835 فیلتر نتایج به سال:
Abstract In general, concepts such as chemical equilibria and classical analytical chemistry, well instrumental methods potentiometry flow injection analysis (FIA), are taught separately in the curricula of chemistry-related degree programs. However, FIA provides an opportunity to connect all these important topics. This article shows how simple experiments can be used link fundamentals teach t...
Electrochemistry and Electrogenerated Chemiluminescence of Some BODIPY Derivatives Jungdon Suk, Khalid M. Omer, Thomas Bura, Raymond Ziessel, and Allen J. Bard* Center for Electrochemistry and Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, Texas 78712, United States Laboratoire de Chimie Mol eculaire et Spectroscopies Avanc ees (LCOSA), UMR 7515, Ecole Euro...
■ SPECTROPHOTOMETRY AND PHOTOMETRY Beer’s Law Spectrophotometric Instruments Components of a Spectrophotometer Spectrophotometer Quality Assurance Atomic Absorption Spectrophotometer Flame Photometry Fluorometry Chemiluminescence Turbidity and Nephelometry Laser Applications ■ ELECTROCHEMISTRY Galvanic and Electrolytic Cells Half-Cells Ion-Selective Electrodes pH Electrodes Gas-Sensing Electrod...
Metal-liquid interfaces are of the utmost importance in a number of scientific areas, including electrochemistry and catalysis. However, complicated analytical methods and sample preparation are usually required to study the interfacial phenomena. We propose an infrared spectroscopic approach that enables investigating the molecular interactions at the interface, but needing only minimal or no ...
Inkjet printing is a very powerful digital and mask-less microfabrication technique that has attracted the attention of several research groups working on electrochemical energy conversion concepts. In this short review, an overview is given about recent efforts to employ inkjet printing for the search of new electrocatalyst materials and for the preparation of catalyst layers for polymer elect...
We provide evidence of single attoliter oil droplet collisions at the surface of an ultra-microelectrode (UME) by the observation of simultaneous electrochemical current transients (i-t curves) and electrogenerated chemiluminescent (ECL) transients in an oil/water emulsion. An emulsion system based on droplets of toluene and tri-n-propylamine (2:1 v/v) emulsified with an ionic liquid and suspen...
Cyclic voltammetry is a fundamental experimental method for characterizing electrochemical surfaces. Despite its wide use, a way to quantitatively and directly relate cyclic voltammetry to ab initio calculations has been lacking. We derive the cyclic voltammogram for H on Pt(111) and Pt(100), based solely on density functional theory calculations and standard molecular tables. By relating the g...
Electrochemistry of PANI/Metal Composites in Basic Solutions
The synthesis and crystallographic characterization of a complex possessing a well-defined {2Fe3S(μ-H)} core gives access to a paramagnetic bridging hydride with retention of the core geometry. Chemistry of this 35-electron species within the confines of a thin-layer FTIR spectro-electrochemistry cell provides evidence for a unprecedented super-reduced Fe(I)(μ-H)Fe(I) intermediate.
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