Molecularly imprinted solid-phase extraction combined with ultrasound-assisted dispersive liquid–liquid microextraction for the determination of four Sudan dyes in sausage samples

Hongyuan Yan, Jindong Qiao, Hui Wang, Gengliang Yang, Kyung Ho Row
  • The Analyst, January 2011, Royal Society of Chemistry
  • DOI: 10.1039/c0an00951b