Isocratic Separation of Fatty Acid Derivatives by Reversed Phase Liquid Chromatography. Influence of the Solvent on Selectivity and Rules for Elution Order |
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Abstract: | Abstract The p-bromophenacyl esters of 16 fatty acids (C12-C22) have been separated by isocratic chromatography on a Radial Pak A cartridge (Reverse phase C18 material). The separation factors α were measured using two solvent mixtures of comparable strength and the superiority of methanol-water to acetonitrile-water becomes evident. Five precise rules are established, which indicates the retention of every fatty acid. They explain the chromatographic process i.e. elution order, resolution and selectivity. |
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