PD-30

OPTIMIZATION OF A METHODOLOGY FOR THE ANALYSIS OF PESTICIDE RESIDUES BY LC-HRMS (ORBITRAP) USING NEGATIVE ELECTROSPRAY IONIZATION IN MATRICES OF PLANT ORIGIN
Jairo Arturo Guerrero Dallos, Andres Felipe Perdomo, Elkin Acosta, Sergio Gonzalez, Julio Cesar España
Universidad Nacional de Colombia, Chemistry, Bogota, Colombia