Abstract
RECENT pulse radiolytic studies on transparent samples of ice have demonstrated the existence of three transient optical absorptions which have been assigned to the solvated electron1,2, es−, the hydroxyl radical2, OH·, and the hydroperoxy radical2, HO2·. Particular attention has been paid to the influence of temperature on their spectral, yield and kinetic characteristics. For e-, as the temperature is decreased, λmax shifts to shorter wavelengths, the yield decreases, and the lifetime increases. These observations indicated that an ice sample highly irradiated with 60Co gamma-rays at 77° K might show a stable, low yield es− having an absorption maximum at about 6300 Å.
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References
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EIBEN, K., TAUB, I. Solvated Electron Spectrum in Irradiated Ice. Nature 216, 782–783 (1967). https://doi.org/10.1038/216782b0
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DOI: https://doi.org/10.1038/216782b0
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