Summary
Using adsorption TLC RM values were measured for a number of aromatic compounds on aluminium oxide and silica gels having different specific surface areas, using the following binary mobile phases: benzene+toluene, benzene+carbon tetrachloride and chloroform+carbon tetrachloride. The results are graphically presented and compared with theoretically calculated values. Generally, a good agreement was found between the calculated and measured RM values. The agreement is valid both when the RM values were calculated using experimentally (indirectly) determined partition coefficients or when the coefficients are obtained with help of Ościk's equation [cf. Roczn. Chem.34, 745 (1960) and Chromatographia4, 516 (1971)]. One can assume that in the case of systems in which strong intermolecular interactions are absent, the statically determined partition coefficients of the compounds may be used for the calculation of their RM values.
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Chojnacka, G., Ościk, J. & Różyło, J.K. Chromatographic investigations of adsorption of some aromatic compounds on aluminium oxide and silica gel from solutions. Chromatographia 13, 109–113 (1980). https://doi.org/10.1007/BF02263063
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DOI: https://doi.org/10.1007/BF02263063