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本文采用点阵模型,运用统计热力学方法推导出色谱保留值方程的统一形式。根据不同的条件从此统一形式可获得描述气-固色谱、气-液色谱、液-固色谱、液-液色谱以及超临界流体色谱保留值规律的方程。上述方程均采用实验数据予以验证。
In this paper, a lattice model is used to derive the uniform form of the equation of chromatographic retention by using statistical thermodynamics. Based on different conditions, equations describing gas-solid, gas-liquid, liquid-solid, liquid-liquid and retention of supercritical fluid chromatography can be obtained from this uniform form. The above equations are verified by experimental data.