%0 Journal Article %T A nanocomposite consisting of poly(methyl methacrylate), graphene oxide and Fe3O4 nanoparticles as a sorbent for magnetic solid-phase extraction of aromatic amines %A Elham Bashtani %A Amiri, Amirhassan %A Mehdi Baghayeri %J Microchimica Acta %@ 0026-3672 %D 2018