Determination of 1,3-dichloro-2-propanol and 3-chloro-1,2-propandiol in soy sauce by headspace derivatization solid-phase microextraction combined with gas chromatography–mass spectrometry - Lee, Maw-Rong; Chiu, Tzu-Chun; Dou, Jianpeng (Analytica Chimica Acta, 2007)