The perspectives of ethanol usage as an internal standard for the quantification of volatile compounds in alcoholic products by GC-MS

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F20%3A10420998" target="_blank" >RIV/00216208:11310/20:10420998 - isvavai.cz</a>

Result on the web

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=da4Mne4dIx" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=da4Mne4dIx</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/jms.4493" target="_blank" >10.1002/jms.4493</a>

Result language

angličtina

Original language name

The perspectives of ethanol usage as an internal standard for the quantification of volatile compounds in alcoholic products by GC-MS

Original language description

The potential use of ethanol as an internal standard (IS) for GC-MS analysis was studied. The paper describes the analysis of spirit drinks and other alcoholic products which consist of a mixture of water, ethanol, and volatile compounds. In the suggested method, ethanol was employed as an IS for the common procedure of volatile compounds quantification. A number of standard solutions of nine compounds with different concentrations was prepared in a water-ethanol matrix and measured with GC-MS in the SIM mode. Two possible approaches were suggested to avoid detector saturation during ethanol detection. The first one consisted in using less abundant m/z 47 as quantifiers. These ions mainly correspond to unfragmented heavy ethanol molecules containing one C-13 isotope. The second method consisted in reduction of the voltage of MS electron multiplier. The experiment also included the preparation and subsequent dilution of the standard solution and ethanol with water, which determined the linearity of the modified MS response relative to the ethanol content. Analysis of the obtained results revealed that volatile compounds can be successfully accurately determined with GC-MS by employing ethanol as an IS. Application of the suggested method is not limited to the reported volatile compounds and alcoholic products.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10406 - Analytical chemistry

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2020

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Mass Spectrometry

ISSN

1076-5174

e-ISSN

—

Volume of the periodical

55

Issue of the periodical within the volume

3

Country of publishing house

GB - UNITED KINGDOM

Number of pages

6

Pages from-to

e4493

UT code for WoS article

000511267100001

EID of the result in the Scopus database

2-s2.0-85079054078