Abstract
Monitoring the levels of aliphatic and aromatic amines (AA) in indoor air is important to protect human health because of exposure to these compounds through diet and inhalation. A sampling and analytical method using XAD-2 cartridges and gas chromatography coupled to mass spectrometry used for assessing 25 AA in different smoking and non-smoking indoor environment was developed. After sampling and delivering 1 m3 of air (6–8 h sampling), an adsorbent was ultrasonically extracted with acetonitrile, concentrated to 1 mL and diluted in 25 mL of water (pH = 9; 5% NaCl), and then extracted for 40 min at 80 °C using a divinylbenzene/carboxen/polydimethylsiloxane (DVB/CAR/PDMS) fiber and injected in a GC/MS system. With this method, 22 of the 25 AA can be analyzed with detection limits up to five times lower than that of classic liquid injection. Benzylamine, 3-aminophenol, and 4-aminophenol were not detected with the solid-phase micro-extraction (SPME) method. It can be assumed that aminophenols required a derivatization step for their analysis by GC as these molecules were not detected regardless of the injection mode used.
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This study was funded by the “Alsace region” through the “GRAINE” program.
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Lucaire, V., Schwartz, JJ., Delhomme, O. et al. A sensitive method using SPME pre-concentration for the quantification of aromatic amines in indoor air. Anal Bioanal Chem 410, 1955–1963 (2018). https://doi.org/10.1007/s00216-018-0862-8
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DOI: https://doi.org/10.1007/s00216-018-0862-8