%0 Journal Article %T Extraction and preconcentration of organophosphorus pesticides from water samples and fruit juices utilizing hydroxyapatite/Fe3O4 nanocomposite %A Mohammad Chahkandi %A Amiri, Amirhassan %A Seyedeh Roghayyeh Saadatdar Arami %J Microchemical Journal %@ 0026-265X %D 2019