Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Radiolysis of CoIII-EDTA in Aqueous Solution; the Yields of Hydrogen and Hydrogen Peroxide in 0.8 N Sulfuric Acid
Niro MatsuuraNobuyoshi ShinoharaMasaru NishikawaMasao Takizawa
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1967 Volume 40 Issue 9 Pages 2042-2047


The hydrogen and hydrogen peroxide produced in the radiolysis of CoIII-EDTA (CoIIIY) in 0.8 N sulfuric acid have been measured. The yields of hydrogen and hydrogen peroxide were found to be G(H2)=0.4 and G(H2O2)=2.5 for the aerated system, G(H2)=3.2 and G(H2O2)=0 for the deaerated system where G denotes the yield at the infinite solute concentration. The decomposition mechanism proposed previously was discussed in detail on the basis of the observed G(H2) and G(H2O2) and of the effect of chloride ion on the decomposition yield G(–CoIIIY). A similar experiment was carried out for EDTA alone and the decomposition mechanism was discussed.

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