2011
DOI: 10.1016/s1872-2040(10)60482-3
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QuEChERS-Ultra-Performance Liquid Chromatography Tandem Mass Spectrometry for Determination of Five Currently Used Herbicides

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Cited by 25 publications
(19 citation statements)
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“…To reduce the matrix effect, two different clean-up QuEChERS kits were used, PSA and PSA-C18. PSA removes sugars and fatty acids, whereas the C18 sorbent effectively traps and removes lipids, starch, and humic substances [ 19 , 35 , 36 ]. In this study, two opposite results were observed: whereas citrate QuEChERS extraction combined with PSA or PSA-C18 clean-up led to a reduction in the suppressive matrix effect on all the target compounds ( Figure 6 ), the combination of acetate with both clean-up QuEChERS led to a higher suppression of the MS signals.…”
Section: Resultsmentioning
confidence: 99%
“…To reduce the matrix effect, two different clean-up QuEChERS kits were used, PSA and PSA-C18. PSA removes sugars and fatty acids, whereas the C18 sorbent effectively traps and removes lipids, starch, and humic substances [ 19 , 35 , 36 ]. In this study, two opposite results were observed: whereas citrate QuEChERS extraction combined with PSA or PSA-C18 clean-up led to a reduction in the suppressive matrix effect on all the target compounds ( Figure 6 ), the combination of acetate with both clean-up QuEChERS led to a higher suppression of the MS signals.…”
Section: Resultsmentioning
confidence: 99%
“…Para a quantificação de triazinas e outros pesticidas em solo e água são empregadas as técnicas de cromatografia líquida (BOUCHARD e LAVY, 1983;FERRACINI et al, 2005;KODEŠOVÁ et al, 2011;MEI et al, 2011;QUEIROZ et al, 2005;QUEIROZ et al, 2007) e gasosa (ZHU e LI, 2002)…”
Section: Introductionunclassified
“…Para a quantificação de triazinas e outros pesticidas em solo e água são empregadas as técnicas de cromatografia líquida (BOUCHARD e LAVY, 1983;FERRACINI et al, 2005;KODEŠOVÁ et al, 2011;MEI et al, 2011;QUEIROZ et al, 2005;QUEIROZ et al, 2007) e gasosa (ZHU e LI, 2002) Procedimento: Um conjunto de treinamento de 21 amostras foi preparado para a análise. Volumes adequados das soluções estoque foram utilizados para obter as concentrações definitiva de HEXA e AFAH, no intervalo de 0,5 a 14 µg mL -1 e 0 a 30 µg mL -1 , respectivamente, foram adicionados em balões volumétricos de 10 mL contendo 1 mL de solução tampão, em seguida, os balões foram completados com água.…”
Section: Introductionunclassified