Reduced graphene oxide-coated magnetic-nanoparticles as sorbent for the determination of phthalates in environmental samples by micro-dispersive solid-phase extraction followed by ultra-high-performance liquid chromatography tandem mass spectrometry

1. Santana-Mayor, Á.
2. Socas-Rodríguez, B.
3. Afonso, M.D.M.
4. Palenzuela-López, J.A.
5. Rodríguez-Delgado, M.Á.