Determination of distribution coefficients of polycyclic aromatic nitrogen heterocycles using solid-phase microextraction

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Authors	BRULÍK Jan VRANA Branislav ORAVEC Michal ŠIMEK Zdeněk
Year of publication	2013
Type	Article in Periodical
Magazine / Source	International Journal of environmental analytical Chemistry
MU Faculty or unit	Faculty of Science
Citation
Doi	http://dx.doi.org/10.1080/03067319.2012.702271
Field	Water pollution and control
Keywords	PANH; azaarenes; SPME; distribution coefficient; LC-MS
Description	The possibility and the efficiency of solid-phase microextraction (SPME) for determination of distribution coefficients of polycyclic aromatic nitrogen heterocycles (PANHs) in aqueous samples are presented in this study. Influence of sample extraction conditions, extraction time, stirring rate, pH, salinity and temperature were tested to optimize extraction efficiency. Three types of fibre sorbent layers, PDMS, PDMS/DVB and PA, were tested and fibre/water distribution coefficients, Kf s , were calculated. The extraction efficiency for PANHs increased in the order PDMS
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