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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