Gas Chromatographic Determination of Volatile Congeners in Spirit Drinks: Interlaboratory Study
Author:
Kelly Janet1, Chapman Stephen1, Brereton Paul1, Bertrand Alain2, Guillou Claude3, Wittkowski Reiner4, Lenartowicz P, Kiddie R, Durante P, Garcia A, Maignial L, Williams M, Low A D, Vidal J P, Richards A T, Bourrier M, Cuatero M, Grimm M, Lees M, Lamoureux T, Smith P, Swanson W, Smith A, Davies R J, Wardle K, Terwel L, Lopes J M S, Clutton D, Williams M, Hampton I J, Maynard P, Hiero J R G, Frank W, Bauer-Christoph C, Klingemann K, Senf D R, Liadouze I, Spyridon Bolkas M, Martin J D, Valcarcel Munoz M J, Conchie E C, Malandain A, Leclerc A, Pineau M, Barboteau P, Lafage M, Laurichesse D, Airchinnigh M Nic An, McGowan S, Cresto B, Bossard A,
Affiliation:
1. Ministry of Agriculture, Fisheries and Food, CSL Food Science Laboratory, Norwich Research Park, Colney, Norwich, NR4 7UO. UK 2. University of Bordeaux 2, Faculté d’OEnologie, 351, Cours de la Liberation, 33405 Talence cedex, France 3. European Commission, Joint Research Centre, Environment Institute, Food & Drug Analysis/Consumer Protection Unit, BEVABS Laboratory, 1-21020 Ispra (Va), Italy 4. Bundesinstitut fur Gesundheitlichen Verbraucherschutz und Veterinarmedizin (bgvv), Thielallee 88-92, D-14195, Berlin, Germany
Abstract
Abstract
An interlaboratory study of a gas chromatographic (GC) method for the determination of volatile congeners in spirit drinks was conducted; 31 laboratories from 8 countries took part in the study. The method uses GC with flame ionization detection and incorpo rates several quality control measures which permit the choice of chromatographic system and conditions to be selected by the user. Spirit drink samples were prepared and sent to participants as 10 blind duplicate or split-level test materials for the determination of 1,1-diethoxyethane (acetal), 2-methylbutan-1-ol (active amyl alcohol), 3-methylbutan-1-ol (isoamyl alcohol), methanol (methyl alcohol), ethyl ethanoate (ethyl acetate), butan-1-ol (n-butanol), butan-2-ol (sec-butanol), 2-methylpropan-1-ol(isobutyl alcohol), propan-1-ol (n-propanol), and ethanal (acetaldehyde). The precision of the method for 9 of the 10 analytes was well within the range predicted by the Horwitz equation.The precision of the most volatile analyte, ethanal, was just above statistically predicted levels. This method is recommended for official regulatory purposes.
Publisher
Oxford University Press (OUP)
Subject
Pharmacology,Agronomy and Crop Science,Environmental Chemistry,Food Science,Analytical Chemistry
Cited by
18 articles.
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