Interlaboratory study of ethanol usage as an internal standard in direct determination of volatile compounds in alcoholic products

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dc.authoridSabalenka, Lidziya/0000-0001-5066-7194
dc.authoridYilmaztekin, Murat/0000-0002-5667-9169
dc.authoridKorban, Anton/0000-0002-2100-7709
dc.authoridCharapitsa, Siarhei/0000-0001-9657-1948
dc.authorwosid?abala, Radomír/G-6105-2016
dc.authorwosidSabalenka, Lidziya/ABE-3592-2021
dc.authorwosidCabaroglu, Turgut/G-6984-2018
dc.authorwosidYilmaztekin, Murat/N-9692-2013
dc.contributor.authorCharapitsa, S.
dc.contributor.authorSytova, S.
dc.contributor.authorKorban, A.
dc.contributor.authorSobolenko, L.
dc.contributor.authorEgorov, V.
dc.contributor.authorLeschev, S.
dc.contributor.authorZakharov, M.
dc.date.accessioned2024-08-04T20:59:39Z
dc.date.available2024-08-04T20:59:39Z
dc.date.issued2019
dc.departmentİnönü Üniversitesien_US
dc.description42nd World Congress of Vine and Wine -- JUL 15-19, 2019 -- Geneva, SWITZERLANDen_US
dc.description.abstractA collaborative interlaboratory study on the method of direct quantitation of volatile compounds in spirit drinks and alcoholic products was conducted. The discussed method applies ethanol, the major volatile component of an alcoholic product, as an internal standard. In this study 9 laboratories from 4 different countries were supplied with standard solutions for gas chromatographic measurements. Five aqueous ethanol 40% (v/v) standard solutions containing target compounds in concentrations ranging from 10 mg/L to 400 mg/L of absolute alcohol were prepared and sent to the participants for quantification of acetaldehyde, methyl acetate, ethyl acetate, methanol, 2-propanol, 1-propanol, 2-methyl-1-propanol, 1-butanol and 3-methyl-1-butanol. The interlaboratory study was evaluated according to the ISO 5725 standards and the Eurachem guide. The within-laboratory precision varied between 0.4% and 7.5% for all samples and compounds, showing a sufficiently high repeatability of the method. The between-laboratory precision was found to vary within a satisfactory range of 0.5% o 10.0%. Precision of the method was well within the range predicted by the Horwitz equation for all analytes. The analysis of trueness showed that the bias of the method is insignificant at the significance level alpha = 5%. The determined concentrations of the analytes compared well to the gravimetrical values thus showing very satisfactory accuracy of the method. The results of the interlaboratory study confirmed that Ethanol as Internal Standard method is robust and reliable and can be used as a standard reference method for analysing volatile compounds in water-ethanol samples. The possibilities of method validation according to the previously obtained experimental data were shown.en_US
dc.identifier.doi10.1051/bioconf/20191502030
dc.identifier.issn2117-4458
dc.identifier.urihttps://doi.org/10.1051/bioconf/20191502030
dc.identifier.urihttps://hdl.handle.net/11616/103415
dc.identifier.volume15en_US
dc.identifier.wosWOS:000509352700066en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherE D P Sciencesen_US
dc.relation.ispartof42nd World Congress of Vine and Wineen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSpirit Drinksen_US
dc.subjectCongenersen_US
dc.titleInterlaboratory study of ethanol usage as an internal standard in direct determination of volatile compounds in alcoholic productsen_US
dc.typeConference Objecten_US

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