Abstract
SOME years ago an investigation of the species produced in the photo-oxidation of aqueous reducing anions and cations was begun in these laboratories1. More recently, by using N2O and other specific electron scavengers, it was shown that the primary process is one of electron detachment for I− (ref. 2), OH−, Br−, Cl− and SO4− (ref. 3), and that the hydrated electron, eaq−, which is so formed has relative reactivities similar to those of the electron produced on absorption by water of ionizing radiations and is influenced by ionic strength in predictable ways. We have obtained similar results for the electron photo-detachment at 2537 Å from Fe++aq, but certain solutions containing Fe(CN)4−6 show unusual effects which have caused us to re-examine this system carefully4.
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References
Dainton, F. S., and James, D. G. L., J. Chim. Phys., 48, 1 (1951).
Dainton, F. S., and Logan, S. R., Proc. Roy. Soc., A (in the press).
Dainton, F. S., and Fowles, P., Proc. Roy. Soc., A (in the press).
Airey, P. L., and Dainton, F. S. (to be published).
Czapski, G., and Schwarz, H. A., J. Phys. Chem., 66, 471 (1962).
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DAINTON, F., AIREY, P. Primary Processes of Photo-oxidation of Aqueous Fe(II) Species. Nature 207, 1190–1191 (1965). https://doi.org/10.1038/2071190a0
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DOI: https://doi.org/10.1038/2071190a0
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