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Saturday, May 16, 2020 | History

2 edition of On the electrochemical reduction of inorganic platinum (II) complexes on mercury. found in the catalog.

On the electrochemical reduction of inorganic platinum (II) complexes on mercury.

GoМ€ran Sundholm

On the electrochemical reduction of inorganic platinum (II) complexes on mercury.

by GoМ€ran Sundholm

  • 177 Want to read
  • 15 Currently reading

Published by Societas scientiarum Fennica in Helsinki .
Written in English

    Subjects:
  • Platinum compounds.,
  • Electrodes, Mercury.,
  • Electrolytic reduction.

  • Edition Notes

    SeriesCommentationes physico-mathematicae, 34:, 7, Commentationes physico-mathematicae ;, v. 34, nr. 7.
    Classifications
    LC ClassificationsQ60 .F555 vol. 34, no. 7
    The Physical Object
    Pagination39-46 p.
    Number of Pages46
    ID Numbers
    Open LibraryOL5383111M
    LC Control Number72462285

      Electrochemical Properties of Modern Chemical Materials. In a recently described experiment called scanning electrochemical cell microscopy (), the scanning probe is a double-barrel (θ) pipette filled with electrolyte solution, with each barrel containing a quasireference slightly protruding solution meniscus of the two filling solutions comprises a scanable. The voltage for the reduction of copper 2+ ions is +V and for the reduction of Zinc 2+ ions is V. Therefore, the copper half-cell is higher and the zinc reaction is in reverse. The voltage of the cell can be calculated from the difference in the electrode potentials e.g. V - (V) = V With this reaction always work out the.

    The electrochemical reduction of carbon dioxide (ERC) is the conversion of carbon dioxide to more reduced chemical species using electrical energy. The first examples of electrochemical reduction of carbon dioxide are from the 19th century, when carbon dioxide was reduced to carbon monoxide using a zinc ch in this field intensified in the s following the oil embargoes of the. The electrochemical reduction of carbon dioxide in M KOH-methanol electrolyte was investigated with a copper electrode at {minus}30, {minus}15, 0, and 15 C. The main products from carbon dioxide by electrochemical reduction were carbon monoxide, formic acid, ethylene, and methane.

    The platinum metal is usually dispersed on carbon supports by chemical or electrochemical reduction of platinum salts (Table 11). Platinum complexes like Na2 PtCl6, Pt(NH3)4 2+, . reduction of solutions of its salts. This can be realised chemically by reduction with hydrogen, metals and inorganic and organic reducing agents. It can also be carried out electrolytically, resulting in the electro- deposition of the metal. This can be effected easily on most of the usual metals. Palladium Electrode.


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On the electrochemical reduction of inorganic platinum (II) complexes on mercury by GoМ€ran Sundholm Download PDF EPUB FB2

Electrochemical reduction of diphosphirenium salt 91 in dichloromethane at – V passed 1 equiv of charge yielding a deep red, highly oxygen-sensitive solution from which radical has been isolated as red crystals in 60% yield. The reduction of 91 was also effected by lithium metal in THF. The symmetric structure of the 1,3-diphosphaallylic radical was substantiated by an electron spin.

Electrochemical Reduction. Electrochemical reduction (ER) is a chemical reaction, involving the gain of one or more electrons by an atom or a molecule at the cathode surface during the passage of direct electric current through the electrochemical system (anode, cathode, and an electrolyte solution).

rows  The data values of standard electrode potentials are given in the table below, in volts. Electrochemical Properties of the Platinum Metals A NEW APPROACH TO STUDIES OF CORROSION RESISTANCE AND CATHODIC PROTECTION By M.

Pourbaix, Van Muylder and N. de Zoubov Centre Belge d’Etude de la Corrosion, Brussels It is often possible to understand, and indeed to predict, experimental results or practical.

In the framework of modern energy challenges, the reduction of CO2 into fuels calls for electrogenerated low-valent transition metal complexes catalysts designed with considerable ingenuity and sophistication. For this reason, the report that a molecule as simple as protonated pyridine (PyH+) could catalyze the formation of methanol from the reduction of CO2 on a platinum electrode triggered Cited by: Electrochemical reduction of perchlorate ions on platinum-activated nickel Article in Electrochimica Acta 51(15) April with Reads How we measure 'reads'.

Electrochemistry Last updated; Save as PDF Page ID ; No headers. The standard state is defined as the one corresponding to 25° C ( K), unit activity for all the substances in an electrochemical zero-current cell under 1 bar of pressure (10 5 Pa).

For a reaction in which H+ ions participate, the standard state is pH = 0 (approximately 1 mol acid). The electrochemical reduction of 1 atm hydrogen sulfide gas (H 2 S) has been studied at a platinum microelectrode (10 µm diameter) in five room temperature ionic liquids (RTILs): [C 2 mim][NTf 2], [C 4 mpyrr][NTf 2], [C 4 mim][OTf], [C 4 mim][NO 3], and [C 4 mim][PF 6] (where [C n mim] + = 1-alkylmethylimidazolium, [NTf 2] − = bis.

Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a measurable and quantitative phenomenon, and identifiable chemical change, with either electricity considered an outcome of a particular chemical change or vice reactions involve electric charges moving between electrodes and an electrolyte (or ionic species in a solution).

This book covers the following topics related to Electrochemistry: Coulometers Or Voltameters, Electrochemical Analysis, Electroplating, Electrotyping and the Production of Metallic Objects, Electrolytic Winning and Refining of Metals in Aqueous, Electrolytic Reduction and.

on the other hand the platinum group metals cathodically protect such base metals. The reduction mechanism for an electrochemical deposi-tion of a simple solvated metal salt is shown in Scheme 1 [7] and this mechanism can be extended to other ligand coordi-nated metal systems.

Moreover the metal need not necessar. ELECTROCHEMICAL SERIES Petr Vanýsek There are three tables for this electrochemical series. Each table lists standard reduction potentials, E° values, at K (25 °C), and at a pressure of kPa (1 atm).

Table 1 is an alphabetical listing of the elements, according to the symbol of the Size: KB. Thust, the electrochemical reduction behavior of lead in the solution of tetrafluoroboric acid on the platinum electrode has been achieved and reported in this work b y cyclic voltammet - ric.

Electrochemical synthesis of inorganic compounds is a relatively unknown field. The successful, large industrial processes, such as chlorine-caustic production, are well known, but the large number of other compounds that have been synthesized electrochemically are much less appreciated, even by electrochemists and inorganic : $ Abstract.

The electrochemical reduction of cis-[PtX 2 L 2](X = halide, L = tertiary phosphine) complexes in CH 3 CN/C 6 H 6 /TBAP (Hg electrode) generates [PtL 2] reactivity of these complexes is determined by the nature of the monodentate phosphine ligands, e.g.

when L = PPh 3 the complex does not react with benzonitrile but when L = PEt 3 the complex reacts with PhCN via Author: J. Davies, L.

Chen, C. Eagle, R. Staples. The use of electrochemical techniques by chemists, particularly those who regard themselves as "inorganic" coordination chemists, has undergone a very rapid growth in the last years.

The techniques, as dassically applied to inorganic species, had their origins in analytical chemistry, and the. The electrochemical reduction of nitrogen to ammonia on Au-based catalysts showed a reasonably high Coulombic efficiency.

The pathway of this promising reaction, however, is not clear partially due to the lack of information on reaction intermediates.

Herein, surface-enhanced infrared absorption spectroscopy (SEIRAS) was employed to study the reaction mechanisms of nitrogen reduction on an Au Cited by: Dinuclear Rhenium Complex with a Proton Responsive Ligand as a Redox Catalyst for the Electrochemical CO2 ReductionCited by: Inorganic Reactions and Methods systemizes the discipline of modern inorganic chemistry according to a plan constructed by a council of editorial advisors and consults that include three Nobel laureates (E.O.

Fischer, H. Taube, and G. Wilkinson). Rather than producing a collection of unrelated review articles, this series creates a framework that reflects the creative potential of this.

This book aims to introduce inorganic chemists to electrochemical investigations in as straightforward a way as possible. First, the reader is introduced to the theory of electron transfer processes, how they can be studied by various electrochemical techniques, and the practical procedures required.

The book then goes on to look extensively Author: P. Zanello. We call the resulting plot of current versus applied potential a voltammogram, and it is the electrochemical equivalent of a spectrum in spectroscopy, providing quantitative and qualitative information about the species involved in the oxidation or reduction reaction [Maloy, J.

T. J. Chem. Educ.60, –]. The earliest voltammetric.One of the half cells of the electrochemical cell loses electrons due to oxidation and the other gains electrons in a reduction process.

It can be noted that an equilibrium reaction occurs in both the half cells, and once the equilibrium is reached, the net voltage becomes 0 and the cell stops producing electricity.Experimental and theoretical investigations of the effect of deprotonation on electronic spectra and reversible potentials of photovoltaic sensitizers: Deprotonation of cis-L{sub 2}RuX{sub 2} (L = 2,2{prime}-bipyridine-4,4{prime}-dicarboxylic acid; X = CN{sup {minus}}, NCS{sup {minus}}) by electrochemical reduction at platinum electrodes.