MCM-41 as novel solid phase sorbent for the pre-concentration of pesticides in environmental waters and determination by microflow liquid chromatography-quadrupole linear ion trap mass spectrometry - Gil García M.; Dahane S.; Arrabal-Campos F.; SocíasViciana M.; García M.; Fernández I.; Martínez Galera M. (MICROCHEMICAL JOURNAL, 2017)