Abstract：
:The aim of this study is to understand the levels and behaviour of the herbicide propoxycarbazone in environmental compartments, which are poorly characterized considering degradation products that might reach either surface water as groundwater or soil samples. To this end, an analytical method, based on ultra-high performance liquid chromatography (UHPLC) coupled with Orbitrap mass spectrometry (MS), has been developed to determine the parent compound and its transformation products in soils and water. In addition, a set of laboratory trials has been designed to address the dissipation process of propoxycarbazone formulation in both environmental substrates. The study revealed that the dissipation in water followed a first order kinetics and a non-linear "First Order Multi Compartment" model (FOMC) to soil. Relevant advances have been also achieved in terms of the analytical methodology, as far as the UHPLC-Orbitrap-MS technique allows the development of a retrospective screening of pesticide transformation products in water and soils. For this purpose, an accurate-mass database has been built and used for the post-run screening analysis with 9 transformation products. Photodegradation presumably plays an important role in the dissipation of propoxycarbazone. The results of UHPLC-Orbitrap-MS revealed that four transformation products were formed during the degradation process of the herbicide.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Vargas-Pérez M,González FJE,Frenich AGdoi
10.1016/j.ecoenv.2019.109506subject
Has Abstractpub_date
2019-11-15 00:00:00pages
109506eissn
0147-6513issn
1090-2414pii
S0147-6513(19)30837-1journal_volume
183pub_type
杂志文章abstract：:Endosulfan contaminated soil has become an important risk to the environment and human health worldwide. In the present study, endosulfan tolerant bacterial strain Delftia lacustris IITISM30 and Klebsiella aerogenes IITISM42 were isolated from pesticide stressed agricultural soil and tested for plant growth promoting ...
journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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更新日期：2015-11-01 00:00:00
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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更新日期：2017-12-01 00:00:00
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
doi：10.1006/eesa.2000.1995
更新日期：2001-01-01 00:00:00
