Reduction of AgI complexes with malonate ions in aqueous solution studied by pulse radiolysis |
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| Authors: | B. G. Ershov E. Janata A. V. Gordeeva |
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| Affiliation: | (1) Institute of Physical Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991 Moscow, Russian Federation;(2) Hahn-Meitner Institute, 14109 Berlin, Germany |
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| Abstract: | The formation of clusters CH2(COO−)(COOAg3 +) (absorption bands at 280 and 460 nm) by the reduction of silver ions in the presence of malonate ions in an aqueous solution was studied by pulse radiolysis. The disappearance of the clusters affords colloidal silver. The mechanism of silver nucleation was discussed, and the rate constants of some reactions were determined. __________ Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1819–1822, August, 2005. |
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| Keywords: | colloids nanoparticles silver reduction optical absorption pulse radiolysis kinetics reaction rate constants |
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