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Title

Determination of two phototransformation products of bentazone using quadrupole time-of-flight mass spectrometry

AuthorsPeschka, Manuela; Petrovic, Mira CSIC ORCID; Knepper, Thomas P.; Barceló, Damià CSIC ORCID
KeywordsBentazone
Photolysis
Structure elucidation
Quadrupole time-of-flight mass spectrometry (QqToF MS)
Issue Date31-May-2007
PublisherSpringer
CitationAnalytical and Bioanalytical Chemistry 388(5-6): 1227-1234 (2007)
AbstractThe transformation products 2-isopropylcarbamoyl) phenylsulfamic acid and 2-(1-hydroxypropane-2-yl)-1,2-dihydroindazol-3-one could be determined during the photolysis of the herbicide bentazone. Degradation experiments were carried out with different types of water in a natural sunlight simulating system. Besides the anticipated hydroxylated bentazone, the second transformation product was identified by means of exact mass measurement using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UPLC/QqToF MS). Both phototransformation products occurred in all water types tested. The required irradiation time was matrix dependent. 2-(Isopropylcarbamoyl)phenylsulfamic acid was detected in a drainage channel in the Ebro river delta (Catalonia, Spain).
Description8 pages, 4 figures, 1 table.-- PMID: 17541562 [PubMed].-- Printed version published Jul 2007.
Publisher version (URL)http://dx.doi.org/10.1007/s00216-007-1349-1
URIhttp://hdl.handle.net/10261/10761
DOI10.1007/s00216-007-1349-1
ISSN1618-2642
E-ISSN1618-2650
Appears in Collections:(IDAEA) Artículos

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