Use of time-of-flight mass spectrometry for large screening of organic pollutants in surface waters and soils from a rice production area in Colombia. Hernandez, F., Portoles, T., Ibanez, M., Bustos-Lopez, M., C., Diaz, R., Botero-Coy, A., M., Fuentes, C., L., & Penuela, G. SCIENCE OF THE TOTAL ENVIRONMENT, 439:249-259, ELSEVIER SCIENCE BV, 11, 2012. abstract bibtex The irrigate district of Usosaldana, an important agricultural area in
Colombia mainly devoted to rice crop production, is subjected to an
intensive use of pesticides. Monitoring these compounds is necessary to
know the impact of phytosanitary products in the different environmental
compartments. In this work, surface water and soil samples from
different sites of this area have been analyzed by applying an
analytical methodology for large screening based on the use of
time-of-flight mass spectrometry (TOF MS) hyphenated to liquid
chromatography (LC) and gas chromatography (GC). Several pesticides were
detected and unequivocally identified, such as the herbicides atrazine,
diuron or clomazone. Some of their main metabolites and/or
transformation products (TPs) like deethylatrazine (DEA),
deisopropylatrazine (DIA) and 3,4-dichloroaniline were also identified
in the samples. Among fungicides, carbendazim, azoxystrobin,
propiconazole and epoxiconazole were the most frequently detected.
Insecticides such as thiacloprid, or p,p'-DDT metabolites (p,p'-DDD and
p,p'-DDE) were also found. Thanks to the accurate-mass full-spectrum
acquisition in TOF MS it was feasible to widen the number of compounds
to be investigated to other families of contaminants. This allowed the
detection of emerging contaminants, such as the antioxidant
3,5-di-tertbutyl-4-hydroxy-toluene (BHT), its metabolite
3,5-di-tert-butyl-4-hydroxy-benzaldehyde (BHT-CHO), or the solar filter
benzophenone, among others. (C) 2012 Elsevier B.V. All rights reserved.
@article{
title = {Use of time-of-flight mass spectrometry for large screening of organic pollutants in surface waters and soils from a rice production area in Colombia},
type = {article},
year = {2012},
identifiers = {[object Object]},
keywords = {TOF MS; Large screening; Pesticides; Water; Soil;},
pages = {249-259},
volume = {439},
month = {11},
publisher = {ELSEVIER SCIENCE BV},
city = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS},
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abstract = {The irrigate district of Usosaldana, an important agricultural area in
Colombia mainly devoted to rice crop production, is subjected to an
intensive use of pesticides. Monitoring these compounds is necessary to
know the impact of phytosanitary products in the different environmental
compartments. In this work, surface water and soil samples from
different sites of this area have been analyzed by applying an
analytical methodology for large screening based on the use of
time-of-flight mass spectrometry (TOF MS) hyphenated to liquid
chromatography (LC) and gas chromatography (GC). Several pesticides were
detected and unequivocally identified, such as the herbicides atrazine,
diuron or clomazone. Some of their main metabolites and/or
transformation products (TPs) like deethylatrazine (DEA),
deisopropylatrazine (DIA) and 3,4-dichloroaniline were also identified
in the samples. Among fungicides, carbendazim, azoxystrobin,
propiconazole and epoxiconazole were the most frequently detected.
Insecticides such as thiacloprid, or p,p'-DDT metabolites (p,p'-DDD and
p,p'-DDE) were also found. Thanks to the accurate-mass full-spectrum
acquisition in TOF MS it was feasible to widen the number of compounds
to be investigated to other families of contaminants. This allowed the
detection of emerging contaminants, such as the antioxidant
3,5-di-tertbutyl-4-hydroxy-toluene (BHT), its metabolite
3,5-di-tert-butyl-4-hydroxy-benzaldehyde (BHT-CHO), or the solar filter
benzophenone, among others. (C) 2012 Elsevier B.V. All rights reserved.},
bibtype = {article},
author = {Hernandez, F and Portoles, T and Ibanez, M and Bustos-Lopez, M C and Diaz, R and Botero-Coy, A M and Fuentes, C L and Penuela, G},
journal = {SCIENCE OF THE TOTAL ENVIRONMENT}
}
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