High performance liquid chromatography determination of 4-nonylphenol, 4-tert-octylphenol, and their short ethoxyl chain polyethoxylates in water samples using a microporous membrane liquid-liquid extraction sample pretreatment technique Jing-fu Liu 1, Xia Liang 1 2, Gui-bin Jiang *, Ya-qi Cai 1, Qing-xiang Zhou 1 2, Guo-guang Liu 2
Journal of Separation Science See Also:Journal of High Resolution Chromatography Volume 26 Issue 9-10, Pages 823 - 828 Published Online: 3 Jul 2003