Determination of organophosphorous pesticides in the ppq range using a simple solid-phase extraction method combined with dispersive liquid-liquid microextraction

2011 ◽  
Vol 34 (18) ◽  
pp. 2475-2481 ◽  
Author(s):  
Andreia Cristina Henriques Alves ◽  
Maria Margarida Pontes Boavida Gonçalves ◽  
Maria Manuel Serrano Bernardo ◽  
Benilde Simões Mendes
2014 ◽  
Vol 6 (15) ◽  
pp. 5784-5791 ◽  
Author(s):  
Ali Reza Zarei ◽  
Reihaneh Hajiaghabozorgy

Schematic of the preparation of surfactant-coated MWCNT/nano-Fe3O4composites and their application for the SPE–DLLME procedure.


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