Kvasny Prum. 2008; 54(1): 2-5 | DOI: 10.18832/kp2008001

Determination of chlorinated phenols in brewing liquor and beer using SPE.Peer-reviewed article

Tomáš HORÁK, Jiří ČULÍK, Vladimír KELLNER, Marie JURKOVÁ, Pavel ČEJKA
Výzkumný ústav pivovarský a sladařský, a. s., Pivovarský ústav Praha, Lípová 15, 120 44 Praha 2

A method for the determination of chlorinated phenols in brewing liquor and beer is described. Solid phase extraction technique for the sample preconcentration was used. Then the analytes were derivatized and determined by gas chromatographic analysis coupled with electron capture detector. SPE columns LiChrolut EN (ethyl vinyl benzene - divinyl benzene copolymer with an extremely large specific surface) and LiChrolut RP-18 were tested. The dependences of recovery on the eluent volume were investigated. Validated parameters of the optimized method for the determination of chlorinated phenols in brewing liquor and beer are shown in this work.A method for the determination of chlorinated phenols in brewing liquor and beer is described. Solid phase extraction technique for the sample preconcentration was used. Then the analytes were derivatized and determined by gas chromatographic analysis coupled with electron capture detector. SPE columns LiChrolut EN (ethyl vinyl benzene - divinyl benzene copolymer with an extremely large specific surface) and LiChrolut RP-18 were tested. The dependences of recovery on the eluent volume were investigated. Validated parameters of the optimized method for the determination of chlorinated phenols in brewing liquor and beer are shown in this work.

Keywords: chlorophenols, solid phase extraction, brewing liquor, beer, environmental pollutants

Published: January 1, 2008 

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