Use of a packed programmed-temperature vaporizer injector in the solvent elimination mode for the determination of fatty acid methyl esters by gas chromatography

It is shown that when using a programmed-temperature vaporizer as the injection device for the gas chromatographic determination of fatty acid methyl esters in the solvent elimination mode, losses of medium-chain solutes during the solvent elimination step can be avoided by packing the glass liner o...

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Bibliographic Details
Published in:Journal of Chromatography A 1994-01, Vol.659 (2), p.472-476
Main Authors: Medina, I., Linares, F., Garrido, J.L.
Format: Article
Language:English
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Summary:It is shown that when using a programmed-temperature vaporizer as the injection device for the gas chromatographic determination of fatty acid methyl esters in the solvent elimination mode, losses of medium-chain solutes during the solvent elimination step can be avoided by packing the glass liner of the injector with materials providing adequate retention characteristics. Silanized glass-wool proved to be a good material for this purpose. Other parameters such as solvent elimination temperature, nature of the solvent and solute vaporization temperature were also studied in order to achieve optimum injection conditions.
ISSN:0021-9673
DOI:10.1016/0021-9673(94)85089-5