Journal of Chromatography A 2012 DOI: 10.1016/j.chroma.2012.01.037 View full text
Julián Zapata, Laura Mateo-Vivaracho, Ricardo Lopez, Vicente Ferreira

Abstract: An automatic headspace in-tube extraction (ITEX) method for the accurate determination of acetaldehyde, ethyl acetate, diacetyl and other volatile compounds from wine and beer has been developed and validated. Method accuracy is based on the nearly quantitative transference of volatile compounds from the sample to the ITEX trap. For achieving that goal most methodological aspects and parameters have been carefully examined. The vial and sample sizes and the trapping materials were found to be critical due to t…

expand abstract