Dissertations / Theses on the topic 'Festphasenextraktion'
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Gehrke, Maik. "Funktionalisierung von Polystyren-Divinylbenzen-Harzen zur selektiven Festphasenextraktion von Aromastoffen." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=959276637.
Full textLerch, Oliver. "Automatisierte Spurenanalyse endokrin disruptiver Substanzen mittels GC/MS-Methoden Festphasenextraktion, Derivatisierung, Tandem-MS-Detektion /." [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968338291.
Full textZwanziger, Elke [Verfasser]. "Untersuchungen zur Spurenanalyse von Antibiotika in Wasser mittels Kombination von Festphasenextraktion und Flüssigchromatographie-Massenspektrometrie / Elke Zwanziger." Aachen : Shaker, 2003. http://d-nb.info/1172608903/34.
Full textGeorgi, Katrin. "Multidimensionale Festphasenextraktion (MD-SPE) für die direkte, hochselektive Analyse basischer Pharmaka in biologischen Flüssigkeiten mittels LC-MS/MS." Diss., lmu, 2007. http://nbn-resolving.de/urn:nbn:de:bvb:19-63548.
Full textReinsch, Martin. "Entwicklung von Analyseverfahren zur Bestimmung von Ochratoxin A in Lebensmitteln." Doctoral thesis, [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980847982.
Full textWermann, Silke. "Analytik von phenolischen Substanzen und Epoxiden in Materialien mit Lebensmittel- und/oder dermalem Kontakt." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1228839995955-73499.
Full textAdaway, Joanne E., Mirko Peitzsch, and Brian G. Keevil. "A novel method for the measurement of plasma metanephrines using online solid phase extraction-liquid chromatography tandem mass spectrometry." Sage, 2015. https://tud.qucosa.de/id/qucosa%3A35429.
Full textBeiner, Kerstin. "Untersuchungen zur selektiven Anreicherung organischer Schwefelverbindungen aus wäßrigen Proben." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2002. http://nbn-resolving.de/urn:nbn:de:swb:14-1014974713093-57112.
Full textBeiner, Kerstin. "Untersuchungen zur selektiven Anreicherung organischer Schwefelverbindungen aus wäßrigen Proben." Doctoral thesis, Technische Universität Dresden, 2001. https://tud.qucosa.de/id/qucosa%3A24125.
Full textBodi, Dorina. "LC-MS/MS-Bestimmung von Kokzidiostatika in Futtermittel und Ei." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2014. http://dx.doi.org/10.18452/16982.
Full textPrevention of coccidosis by anticoccidial feed additives is of great economic importance in poultry farming. Application of these substances is regulated by European law and is a matter of official feed and food control requiring appropriate determination methods for coccidiostats. In this study, liquid chromatographic tandem mass spectrometric (LC-MS/MS-) methods for the quantification of coccidiostats in feed and eggs were developed. The influence of the sample material resulted in poor method performance. These matrix effects are intensively investigated in other analytical fields like drug or pesticide analysis. In contrast, there are limited data concerning matrix effects in LC-MS/MS analysis in feedingstuffs. This study therefore focussed on the systematic investigation of factors influencing matrix effects during analysis of coccidiostats. The findings were implemented in the development and validation of a method for the determination of cross-contamination levels of authorized coccidiostats in feed for non-target animals. This method was optimized for the determination of the anticoccidial feed additive maduramicin in feed, egg white, and egg yolk for a carry-over study. By means of the conducted feeding trial with laying hens the carry-over of maduramicin from feed into eggs was comprehensively characterized. Three feedingstuffs containing different levels of maduramicin up to the maximum tolerable level in non-target animal feed were prepared and fed to groups of ten laying hens. Maduramicin is exclusively transferred into egg yolk, and a carry-over rate into whole eggs of 8 % was calculated. Although the applied diets were in compliance with the maximum level in feed, resulting concentrations in whole eggs exceeded the maximum level in eggs. As a consequence of these findings, the maximum permitted level of maduramicin in eggs was adapted to 12 µg/kg. The maximum level assigned by Regulation (EC) No. 124/2009 was amended in Regulation (EU) 610/2012.
Schneider, Frank. "Synthese und Charakterisierung von molekular geprägten Polymeren für die Festphasenextraktion." 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=978686918.
Full textGehrke, Maik [Verfasser]. "Funktionalisierung von Polystyren-Divinylbenzen-Harzen zur selektiven Festphasenextraktion von Aromastoffen / von Maik Gehrke." 2000. http://d-nb.info/959276637/34.
Full textSchneider, Frank [Verfasser]. "Synthese und Charakterisierung von molekular geprägten Polymeren für die Festphasenextraktion / vorgelegt von Frank Schneider." 2005. http://d-nb.info/978686918/34.
Full textLüdecke, Falk. "Probenvorbereitung zur gc Spurenanalytik organischer Salpetersäureester in Humanplasma : Beiträge zur Festphasenextraktion und ihre Anwendung /." 1993. http://www.gbv.de/dms/bs/toc/126325340.pdf.
Full textLerch, Oliver [Verfasser]. "Automatisierte Spurenanalyse endokrin disruptiver Substanzen mittels GC/MS-Methoden : Festphasenextraktion, Derivatisierung, Tandem-MS-Detektion / vorgelegt von Oliver Lerch." 2003. http://d-nb.info/968338291/34.
Full textLachenmeier, Dirk [Verfasser]. "Neue Methodenkombination aus dynamischer Festphasenextraktion, Gaschromatographie und Massenspektrometrie für den Einsatz in der forensisch-toxikologischen Haaranalytik / vorgelegt von Dirk Lachenmeier." 2003. http://d-nb.info/96761659X/34.
Full textGeorgi, Katrin [Verfasser]. "Multidimensionale Festphasenextraktion (MD-SPE) für die direkte, hochselektive Analyse basischer Pharmaka in biologischen Flüssigkeiten mittels LC-MS-MS / vorgelegt von Katrin Georgi." 2007. http://d-nb.info/983071691/34.
Full textLiu, Yang. "Analytical determination of emerging contaminants by using a new graphene-based enrichment material for solid-phase extraction and passive sampling." Doctoral thesis, 2019. https://tud.qucosa.de/id/qucosa%3A38809.
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