Ultrasound-assisted extraction followed by dispersive liquid–liquid microextraction before gas chromatography-mass spectrometry for the simultaneous determination of flavouring compounds in tobacco additives

Panpan Li, Xiaolan Zhu, Shenqiu Hong, Zhenfeng Tian, Jun Yang
  • Analytical Methods, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2ay05866a