Determination of organophosphorus pesticides in surface water by gas chromatography coupled to tandem mass spectrometry
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Títol
Determination of organophosphorus pesticides in surface water by gas chromatography coupled to tandem mass spectrometryAutoria
Tutor/Supervisor
Pitarch Arquimbau, María ElenaTutor/Supervisor; Universitat.Departament
Universitat Jaume I. Departament de Química Física i AnalíticaData de publicació
2016-06-24Editor
Universitat Jaume IResum
An analytical method has been developed for the simultaneous quantification
and determination of organophosphorus pesticides in surface water by gas
chromatography coupled to mass spectrometry with a triple quadrupole ... [+]
An analytical method has been developed for the simultaneous quantification
and determination of organophosphorus pesticides in surface water by gas
chromatography coupled to mass spectrometry with a triple quadrupole analyzer. The
study has been focused on the determination of three insecticides of the same
chemical family.
In this work, a solid phase extraction was performed using Oasis HLB PRiME
cartridges and an isotopically-labeled internal standard was added before extraction as
surrogate. Analyses were performed by gas chromatography with tandem mass
spectrometry (MS/MS) in electron ionization mode, and three MS/MS transitions were
acquired for each analyte, using q/Q ratio as a confirmatory parameter.
The method was validated at two levels: 0.15 μg L-1 and 0.75 μg L-1. The
recoveries obtained were between 70-120% and the relative standard deviations were
lower than 20%. Once the method was validated, it was applied to the analysis of
surface water collected from Castellón (Spain) and no positive findings were obtained. [-]
Paraules clau / Matèries
Descripció
Treball final de Grau en Química. Codi: QU0943. Curs acadèmic 2015-2016
Tipus de document
info:eu-repo/semantics/bachelorThesisDrets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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- Grau en Química [265]