Abstract
Nonylphenyl ethyleneoxide oligomers (surfactants) have been separated by HPLC on alumina columns with ethylacetate/n-hexane mixtures as eluents. Linear correlations have been established between the capacity factor and the concentration of ethylacetate in the mobile phase. It is assumed that the number of fractions eluted corresponds to the number of ethylene groups per molecule.
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Forgács, E., Cserháti, T. Retention behaviour of nonylphenyl ethyleneoxide oligomers on alumina columns. Fresenius J Anal Chem 351, 688–689 (1995). https://doi.org/10.1007/BF00323350
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DOI: https://doi.org/10.1007/BF00323350