Chinese Journal of Chromatography
Determination of trace azo dyes in textile wastewater by liquid-liquid extraction and dispersive liquid-liquid microextraction coupled with gas chromatography-mass spectrometry
YE Xiwen, HE Jing, LI Ying, NIU Zengyuan, ZHANG Tiantian, LUO Xin, ZOU Li, LIAN Sumei
Chinese Journal of Chromatography . 2020, (2): 255 -263 .  DOI: 10.3724/SP.J.1123.2019.07012