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密闭体系气液共存水的高温拉曼光谱特征实验研究

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摘要 利用熔融石英毛细管反应器作为反应器,结合拉曼光谱仪,研究了密闭体系气液共存水的高温(100-350℃)拉曼特性。结果表明:随着温度的升高,液相中水的拉曼信号整体向高频率频移,拟合的强氢键峰(HBS)逐渐减弱,拟合的弱氢键峰(HBW)逐渐增强,两拟合峰的半峰宽(FWHM)均逐渐变窄;气相中水的拉曼信号逐渐增强,拟合的弱氢键峰向低频率频移,半峰宽逐渐变宽。实验揭示了密闭体系水分子气液平衡状态变化,水分子内部结构及作用力变化,为高温气液共存纯水体系水分子拉曼特性变化提供理论依据。
作者 陈永军
出处 《轻工科技》 2012年第7期49-51,共3页 Light Industry Science and Technology
基金 国家水体污染控制与治理科技重大专项资助项目(2008ZX07101-006)
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