色谱峰形参数σ、τ与保留值间线性关系的新探讨  

Further Investigation of the Linear Relationship between σ.τ and Retention Values

作　　者：张玉奎[1] 邹汉法[1] 包绵生[1] 董礼孚[1] 卢佩章[1] 

机构地区：[1]中国科学院大连化学物理研究所

出　　处：《色谱》1989年第2期70-74,共5页Chinese Journal of Chromatography

基　　金：中国科学院基金

摘　　要：本文从质量平衡理论出发考察了色谱参数对柱末端谱带的σ、τ值的影响。结果表明柱末端以长度为量纲的σ、τ值在不同的k′下基本为常数,柱末端的σ值较τ值为大,这也说明在色谱柱内的色谱谱带也并非是完全对称的高斯峰。而柱外因素对σ的影响比对τ的影响要小得多。本文认为导致色谱图上以时间为量纲的σ、τ值与保留值间的线性关系主要由柱末端过程所产生。The effects of chromatographic parameters on the a, T values of band at column end are investigated theoretically. The results show that there are no serious difference among the a, T values(in unit of length) with different k' values at column end and the σ value is generally larger than τ value- This means that the chrema-tographic band in column is asymmetric- The effect of extra column more seriously affects T value than a value. The linear relationship between σ、τ(in unit of time) and retention values in chromatogram results from the so-called column end process.

关 键 词：色谱 峰形参数 保留值 

分 类 号：O657.7[理学—分析化学]