化学学报 ›› 1994, Vol. 52 ›› Issue (5): 500-505. 上一篇    下一篇

研究论文

预测色谱保留值的数学模型

侯镜德;路文初   

  1. 浙江大学分析测试中心.杭州(310027)
  • 发布日期:1994-05-15

The mathematics model of forecasting HPLC retention

Hou Jingde;Lu Wenchu   

  1. Zhejiang Univ, Ctr Anal & Measu.Hangzhou(310027)
  • Published:1994-05-15

本文采用UNIFAC模型计算烷基苯在甲醇、乙醇、丙醇、乙腈、四氢呋喃分别与水不同配比下构成的二元流动相中及在十八烷基键合相(ODS)上的活度系数,建立了烷基苯的UNIFAC色谱保留值预测的数学模型,对模型系数的物理意义进行了讨论,并与柱温建立了关系,利用此模型对色谱容量因子进行预测,获得了较为满意的结果。

关键词: 数学模型, 色谱保留值, 预测, 液体色谱, 键合相, UNIFAC模型, 容量因子, 流动相

In this paper, the activity coefficient was calculated with UNIFAC model, the relationship between the capacity factor and the activity coefficient was established, the mathematics model of forecasting RP- HPLC retention was obtained successfully.

Key words: MATHEMATICAL MODELS, PREDICTION, LIQUID CHROMATOGRAPHY, BONDING PHASE, CAPACITY FACTOR, MOBILE PHASE

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