气相色谱与液相色谱保留值的换算方法  

Relationship of Retention Index I of Gas Chromatography with Retention Equation Coefficients a and c of Liquid Chromatography

作　　者：戴朝政[1] 胡静[1] 姬磊[1] 

机构地区：[1]中国科学院成都分院分析测试中心,四川成都610041

出　　处：《分析测试学报》2001年第5期43-46,共4页Journal of Instrumental Analysis

摘　　要：根据色谱热力学理论 ,在色谱保留值公式统一形式的基础上导出了气相色谱保留指数(I)与反相液相色谱保留公式参数a、c之间的关系式 ,证明结构类似化合物的a、c值与保留指数呈线性关系 ,同时存在氢键作用能、偶极矩作用的影响 ,从而提出了气相色谱与反相液相色谱保留值换算的方法;该理论为氯代芳烃的文献数据所证实。According to chromatographic thermodynamic theory from the unified form of retention equations the relationship of retention index I of gas chromatography with retention equation coefficients a and c of liquid chromatography has been deduced. It is found that there exists a linear relationship of I with a and c in compounds similar in struture, but effects of hydrogen bond energy and dipole moment should be considered. Thus a method of conversion between gas chromatographic and reversed _ phase chromatographic retention values was suggested. Those formulas were confirmed by experimental data in references on chlorobenzols.

关 键 词：气相色谱 液相色谱 保留值 换算方法 色谱热力学 

分 类 号：O657.71[理学—分析化学] O657.72[理学—化学]