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Liquid Chromatography-Mass Spectrometry Hyphenation for Exhaustive and Unambiguous Characterization of Polyoxyethylene Surfactants

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Abstract

A mixture of three polyethylene oxides bearing alkyl chains of different lengths C12H25O(CH2CH2O)nH, C16H33O(CH2CH2O)nH, C18H37O(CH2CH2O)nH have been analyzed by different techniques: two-dimensional LC, MALDI-TOF, ESI-MS and LC-MS. Among these techniques, the LC-MS coupling allowed the fastest analysis (4 min versus 2 h in two-dimensional LC). In addition, the complexity of the mass spectra deduced from LC-MS experiments was simplified compared to the mass spectra obtained by MALDI-TOF and ESI-MS. Overlaps of isobaric ions were avoided and by-products were identified more easily.

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Authors and Affiliations

  1. Laboratoire Analyse et Environnement, Université d’Evry Val d’Essonne, CNRS UMR 8587, Bd Francois Mitterrand, 91025, Evry, France

    G. Cheguillaume, W. Buchmann, B. Desmazières & J. Tortajada

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  1. G. Cheguillaume
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  2. W. Buchmann
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  3. B. Desmazières
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  4. J. Tortajada
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Correspondence to W. Buchmann.

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Cheguillaume, G., Buchmann, W., Desmazières, B. et al. Liquid Chromatography-Mass Spectrometry Hyphenation for Exhaustive and Unambiguous Characterization of Polyoxyethylene Surfactants. Chromatographia 60, 561–566 (2004). https://doi.org/10.1365/s10337-004-0409-3

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  • DOI: https://doi.org/10.1365/s10337-004-0409-3

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