Contributions to the Reaction Mechanism of Photochemical Decomposition of Hydrogen Peroxide in Aqueous Solution

摘要

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 isobarisothermalequipment 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, φ, the initiation rate v. and the induction period, τ, for the three cases. The values resulted for the branching factor, φ, 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.