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Hydrated electron in subcritical and supercritical water;a pulse radiolysis study

机译:亚临界和超临界水中的水合电子;脉冲辐解研究

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摘要

Temperature dependences of the e_(aq)~- spectrum and G#epsilon#_(max) were investigated by the pulse radiolysis method over a temperature range of 25-400degC including thesupercritical condition and the e_(aaq)~- formation in supercritical water (D_2O) was confirmed.With increasing temperature,the absorption peak (#lambda#_(max)) of e_(aq)~- shifts significantly to longer wavelength.The value of G#epsilon#_(max) in supercritical water is considerably smaller than inliquid water at room temperatureThe behavior of e_(aq_~- revealed here is helpful for an extensive understanding of water radiolysis and for the study of e_(aq)~- involving radical reactions in supercritical water.
机译:通过脉冲辐射分解方法,研究了超临界条件下超临界条件和超临界水中e_(aaq)〜形成的温度范围,在25-400℃温度范围内研究了e_(aq)〜-光谱和G#epsilon #_(max)的温度依赖性。确认(D_2O)。随着温度升高,e_(aq)〜-的吸收峰(#lambda #_(max))明显移至更长的波长。超临界水中G#epsilon #_(max)的值为此处揭示的e_(aq_〜-的行为)有助于深入了解水的放射分解作用,并有助于研究e_(aq)〜-涉及超临界水中的自由基反应。

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