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Wśród produktów ubocznych dezynfekcji wody chlorem, obok dobrze rozpoznanych trihalometanów (THM) i kwasów halooctowych (HAA), pojawiać się może także chloral (trichloroacetaldehyd - CH). Powstaje on w wyniku reakcji chloru z substancjami organicznymi naturalnie obecnymi w wodzie (NOM). Zgodnie z wytycznymi WHO, obecność chloralu (CH) w wodach przeznaczonych do spożycia powinna być kontrolowana i...
In the present study the SPME on-fibre derivatization of C3-C10 aldehydes with the use of PFBHA is presented. Various procedures for adsorption of PFBHA on SPME fibre were studied. Finally, headspace adsorption mode at 20°C was adopted. After saturation with PFBHA, the SPME fibre was exposed to aldehydes in the headspace, and extraction was performed for 20 min. This approach was compared to the in-solution...
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