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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2011, Volume 62, Issue 10,





Lucia Odochian, Lorela Iancu, Ionel Humelnicu, Anca Mihaela Mocanu, Adriana BAiceanu
Contributions to the Reaction Mechanism of Photochemical Decomposition of Hydrogen Peroxide in Aqueous Solution

Abstract:

The present paper brings new contributions to the elucidation of indirect degenerated branching mechanism of the photochemical decomposition of hydrogen peroxide (30%) in aqueous solution. By using an isobar-isothermal equipment for measuring the volume of oxygen evolved by hydrogen peroxide decomposition in the presence of IR, Vis, UV radiations and on the basis of the theoretical laws advanced by N.N. Semenov for the indirect degenerated branching reactions the following amounts were calculated: the branching factor, j, the initiation rate ni and the induction period, t, for the three cases. The values resulted for the branching factor, j, agree with its range of variation for the indirect degenerated branching reactions which supports the advanced mechanism bringing a contribution to the development of the chain reactions field. Keywords: 30% hydrogen peroxide, photochemical decomposition, mechanism, branching factor, j, initiation rate, ni, induction period, t


Issue: 2011, Volume 62, Issue 10
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