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Statements

Subject Item
n2:RIV%2F60193697%3A_____%2F08%3A%230000402%21RIV08-MSM-60193697
rdf:type
skos:Concept n17:Vysledek
dcterms:description
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. Práce popisuje metodu stanovení chlorfenolů ve varní vodě a pivu. Pro extrakci a zakoncentrování analytů byla využita technika extrakce na pevné fázi (SPE). Poté byly chlorfenoly derivatizovány anhydridem kyseliny octové a stanoveny na plynovém chromatografu s detektorem elektronového záchytu. V práci byly porovnány SPE kolonky LiChrolut EN (ethylvinylbenzen–divinylbenzen kopolymer s extrémně velkým specifickým povrchem) a LiChrolut RP-18. Kromě toho byl zkoumán vliv různého objemu elučního činidla na výtěžnost chlorfenolů. V práci jsou dále popsány pracovní charakteristiky optimalizované metody. 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.
dcterms:title
Determination of chlorinated phenols in brewing liquor and beer using SPE Determination of chlorinated phenols in brewing liquor and beer using SPE Využití SPE při stanovení chorfenolů ve varní vodě a pivu
skos:prefLabel
Determination of chlorinated phenols in brewing liquor and beer using SPE Determination of chlorinated phenols in brewing liquor and beer using SPE Využití SPE při stanovení chorfenolů ve varní vodě a pivu
skos:notation
RIV/60193697:_____/08:#0000402!RIV08-MSM-60193697
n3:strany
2-5
n3:aktivita
n9:Z
n3:aktivity
Z(MSM6019369701)
n3:cisloPeriodika
1
n3:dodaniDat
n10:2008
n3:domaciTvurceVysledku
n6:3633608 n6:4183932 n6:9062394 n6:7033176 n6:3715744
n3:druhVysledku
n12:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
362927
n3:idVysledku
RIV/60193697:_____/08:#0000402
n3:jazykVysledku
n13:eng
n3:klicovaSlova
chlorphenols; SPE; solid phase extraction; brewing liquor; beer
n3:klicoveSlovo
n4:chlorphenols n4:solid%20phase%20extraction n4:brewing%20liquor n4:SPE n4:beer
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[36F93F0B2961]
n3:nazevZdroje
Kvasný průmysl
n3:obor
n15:CB
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n10:2008
n3:svazekPeriodika
54
n3:tvurceVysledku
Jurková, Marie Kellner, Vladimír Horák, Tomáš Čejka, Pavel Čulík, Jiří
n3:zamer
n16:MSM6019369701
s:issn
0023-5830
s:numberOfPages
4