Trace level analysis of micropollutants in aqueous samples using gas chromatography with on-line sample enrichment and large volume injection von Mol, Hans G.J, Janssen, Hans-Gerd M, Cramers, Carel A, Vreuls, Jolan J, Brinkman, Udo A.Th

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On-line preconcentration of aqueous samples for gas chromatographic-mass spectrometric analysis von VREULS, J. J, BULTERMAN, A.-J, GHIJSEN, R. T, BRINKMAN, U. A. T

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On-line trace-level enrichment gas chromatography of triazine herbicides, organophosphorus pesticides, and organosulfur compounds from drinking and surface waters von PICO, Y, LOUTER, A. J. H, VREULS, J. J, BRINKMAN, U. A. T

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Automated on-line gel permeation chromatography-gas chromatography for the determination of organophosphorus pesticides in olive oil von Vreuls, Jolan J., Swen, Raoul J.J., Goudriaan, Vincent P., Kerkhoff, Mia A.T., Jongenotter, Gijsbertus A., Brinkman, Udo A.Th

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Drying step for introduction of water-free desorption solvent into a gas chromatograph after on-line liquid chromatographic trace enrichment of aqueous samples von Vreuls, Jolan J., Ghijsen, Rudy T., de Jong, Gerhardus J., Brinkman, Udo A.Th

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On-line solid-phase extraction/thermal desorption for introduction of large volumes of aqueous samples into a capillary gas chromatograph: Part 2 von Vreuls, Jolan J., De Jong, Gerhardus J., Ghijsen, Rudy T., Brinkman, Udo A. Th

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Automated derivatization for on-line solid-phase extraction-gas chromatography; phenolic compounds von Louter, Arjan J. H., Jones, Philo A., Jorritsma, J. David, Vreuls, Jolan J., Brinkman, Udo A. Th

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On-line solid-phase extraction-thermal desorption-gas chromatography with ion trap detection tandem mass spectrometry for the analysis of microcontaminants in water von Louter, Arjan J. H., Van Doornmalen, Jacco, Vreuls, Jolan J., Brinkman, Udo A. Th

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On-line solid phase extraction - thermal desorption for introduction of large volumes of aqueous samples into a gas chromatograph von Vreuls, Jolan J., Th. Brinkman, Udo A., de Jong, Gerhardus J., Grob, Konrad, Artho, Anna

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Selective and sensitive detection of organic contaminants in water samples by on-line trace enrichment-gas chromatography-mass spectrometry von Bulterman, Albert-J., Vreuls, Jolan J., Ghijsen, Rudy T., Brinkman, Udo A. Th

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Ethyl acetate for the desorption of a liquid chromatographic precolumn on-line into a gas chromatograph von Vreuls, Jolan J., Cuppen, Wilhelmus J. G. M., De Jong, Gerhardus J., Th. Brinkman, Udo A.

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A trapping column for the coupling of reversed-phase liquid chromatography and capillary gas chromatography von Vreuls, Jolan J., Goudriaan, Vincent P., Th, Udo A., de Jong, Gerhardus J.

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Variable splitter for regulation of the solvent evaporation rate in the coupling of liquid chromatography with gas chromatography von Dolecka, Ewa, Vreuls, Jolan J., de Jong, Gerhardus J., Th. Brinkman, Udo A., Maris, Frans A.

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