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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

IMPACT FACTOR 2017: 1.144
5-year IMPACT FACTOR: 1.144

CiteScore 2017: 1.08

SCImago Journal Rank (SJR) 2017: 0.495
Source Normalized Impact per Paper (SNIP) 2017: 0.495

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Volume 221, Issue 3


Formation of the Silver Hydride Ion AgH+ upon the Reduction of Silver Ions by H· in Aqueous Solution. A Pulse Radiolysis Study

A. Sarkar / E. Janata
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/zpch.2007.221.3.403

The reaction of hydrogen atoms and of alcohol radicals with monovalent silver ions is studied in aqueous solution by means of pulse radiolysis. In acidic aqueous solutions containing silver ions and an alcohol, hydrogen atoms react with silver ions to form AgH+ with a rate constant of k=1.5 × 1010dm3mol-1s-1. This complex dissociates into free silver atoms and hydrogen ions with a first order rate constant of 2 × 107s-1. A reaction of alcohol radicals with silver ions could not be observed in aqueous solutions containing either methanol, ethanol or 2-propanol during times of up to 15ms; the rate constant would therefore have to be smaller than 1 × 104dm3mol-1s-1.

Keywords: Silver Hydride Ion; Silver Ion; Hydrogen Atom; Alkyl Radical; Pulse Radiolysis

About the article

Received: 2006-05-10

Accepted: 2006-09-27

Published Online: 2009-09-25

Published in Print: 2007-03-01

Citation Information: Zeitschrift für Physikalische Chemie, Volume 221, Issue 3, Pages 403–413, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2007.221.3.403.

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