超临界体系相行为实验测定方法研究进展  

Progress in Experimental Methods for Studying Phase Behavior of Supercritical Fluids System

作　　者：王乐[1] 吴玉龙[1] 杨明德[1] 陈镇[1] 王欣昌[1] 

机构地区：[1]清华大学核能与新能源技术研究院,北京100084

出　　处：《化学世界》2008年第2期117-120,共4页Chemical World

基　　金：国家自然科学基金资助项目(No.20506011)

摘　　要：超临界相行为研究及其实验测定是超临界流体技术领域发展的基础和重要研究内容之一,从超临界相行为测量的意义和基本原理出发,对相行为及临界参数实验测定方法作了综述,主要介绍了可视观察法、光谱色谱法、脉冲加热法等测定方法,并对其优缺点和适用范围作了点评,最后对其未来发展方向做了展望。Study and experimental determination of phase behavior is the base and important part of supercritical fluid science and technology.From the fundamental and significance of phase behavior determination,the progress of experimental measure methods of phase behavior of supercritical fluid,including visual method,spectrum method,pulse heating method,and so on are reviewed.The strong points and limitations of different methods are introduced.Finally,the developing trend is prospected.

关 键 词：超临界流体 相行为 临界参数 实验方法 

分 类 号：O642[理学—物理化学]