【摘要】 <正> 用X射线光电子能谱(XPS)分析研究了铀金属与一氧化碳200℃时的表面反应。一氧化碳在表面氧化层上的吸附反应导致了U4f峰向低结合能方向位移,氧化物中氧含量减少,O/U比值随一氧化碳吸附量的增加而减少。研究结果表明,高温条件下一氧化碳气氛更多还原

【Abstract】 The surface reaction of uranium metal with carbon monoxide at 200 C has been studied by X-ray photoelectron spectroscopy (XPS). The carbon monoxide adsorpton on the surface oxide layer resulted in U4f peak shifting to the lower binding energy and the content of oxygen in the oxide is decreased. O/U radio decreases with increasing the exposure of carbon monoxide to the surface layer. The investigation indicated the surface layer of uranium metal was further reduced in the atmosphere of carbon monoxide at high temperature.更多还原