Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical

Autores
Caregnato, Paula; Rosso, Janina Alejandra; Soler, Juan; Arques, Antonio; Martire, Daniel Osvaldo; Gonzalez, Monica Cristina
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The reaction of phosphor-containing pesticides such as methidathion (MT) and dimethoate (DM) with dichloride radical anions (Cl2.-) was investigated. The second order rate constants (1.3 ± 0.4)x 108 and (1.1 ± 0.4) x 108 M-1 s-1, were determined for the reaction of Cl2.- with MT and DM, respectively. A reaction mechanism involving an initial charge transfer from the sulfide groups of the insecticides to Cl2.- is proposed and supported by the identified transient intermediates and reaction products. The formation of chlorinated by-products was determined. The unexpected consequences of an efficient Cl2.- reactivity towards MT and DM on the degradation capacity by Advanced Oxidation Procedures applied to polluted waters containing the insecticides and Cl- anions is discussed.
Fil: Caregnato, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Rosso, Janina Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Soler, Juan. Universidad Politecnica de Valencia; España
Fil: Arques, Antonio. Universidad Politecnica de Valencia; España
Fil: Martire, Daniel Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Gonzalez, Monica Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Materia
Organophosphorous Pesticides
Degradation
Chloride Anion
Flash-Photolysis
Chlorinated Byproducts
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/4788
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radicalCaregnato, PaulaRosso, Janina AlejandraSoler, JuanArques, AntonioMartire, Daniel OsvaldoGonzalez, Monica CristinaOrganophosphorous PesticidesDegradationChloride AnionFlash-PhotolysisChlorinated Byproductshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The reaction of phosphor-containing pesticides such as methidathion (MT) and dimethoate (DM) with dichloride radical anions (Cl2.-) was investigated. The second order rate constants (1.3 ± 0.4)x 108 and (1.1 ± 0.4) x 108 M-1 s-1, were determined for the reaction of Cl2.- with MT and DM, respectively. A reaction mechanism involving an initial charge transfer from the sulfide groups of the insecticides to Cl2.- is proposed and supported by the identified transient intermediates and reaction products. The formation of chlorinated by-products was determined. The unexpected consequences of an efficient Cl2.- reactivity towards MT and DM on the degradation capacity by Advanced Oxidation Procedures applied to polluted waters containing the insecticides and Cl- anions is discussed.Fil: Caregnato, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Rosso, Janina Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Soler, Juan. Universidad Politecnica de Valencia; EspañaFil: Arques, Antonio. Universidad Politecnica de Valencia; EspañaFil: Martire, Daniel Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Gonzalez, Monica Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaElsevier2013-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4788Caregnato, Paula; Rosso, Janina Alejandra; Soler, Juan; Arques, Antonio; Martire, Daniel Osvaldo; et al.; Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical; Elsevier; Water Research; 47; 1; 1-2013; 351-3620043-1354enginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0043135412007324info:eu-repo/semantics/altIdentifier/doi/10.1016/j.watres.2012.10.018info:eu-repo/semantics/altIdentifier/issn/0043-1354info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:20:55Zoai:ri.conicet.gov.ar:11336/4788instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:20:55.731CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
title Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
spellingShingle Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
Caregnato, Paula
Organophosphorous Pesticides
Degradation
Chloride Anion
Flash-Photolysis
Chlorinated Byproducts
title_short Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
title_full Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
title_fullStr Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
title_full_unstemmed Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
title_sort Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical
dc.creator.none.fl_str_mv Caregnato, Paula
Rosso, Janina Alejandra
Soler, Juan
Arques, Antonio
Martire, Daniel Osvaldo
Gonzalez, Monica Cristina
author Caregnato, Paula
author_facet Caregnato, Paula
Rosso, Janina Alejandra
Soler, Juan
Arques, Antonio
Martire, Daniel Osvaldo
Gonzalez, Monica Cristina
author_role author
author2 Rosso, Janina Alejandra
Soler, Juan
Arques, Antonio
Martire, Daniel Osvaldo
Gonzalez, Monica Cristina
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Organophosphorous Pesticides
Degradation
Chloride Anion
Flash-Photolysis
Chlorinated Byproducts
topic Organophosphorous Pesticides
Degradation
Chloride Anion
Flash-Photolysis
Chlorinated Byproducts
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The reaction of phosphor-containing pesticides such as methidathion (MT) and dimethoate (DM) with dichloride radical anions (Cl2.-) was investigated. The second order rate constants (1.3 ± 0.4)x 108 and (1.1 ± 0.4) x 108 M-1 s-1, were determined for the reaction of Cl2.- with MT and DM, respectively. A reaction mechanism involving an initial charge transfer from the sulfide groups of the insecticides to Cl2.- is proposed and supported by the identified transient intermediates and reaction products. The formation of chlorinated by-products was determined. The unexpected consequences of an efficient Cl2.- reactivity towards MT and DM on the degradation capacity by Advanced Oxidation Procedures applied to polluted waters containing the insecticides and Cl- anions is discussed.
Fil: Caregnato, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Rosso, Janina Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Soler, Juan. Universidad Politecnica de Valencia; España
Fil: Arques, Antonio. Universidad Politecnica de Valencia; España
Fil: Martire, Daniel Osvaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
Fil: Gonzalez, Monica Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentina
description The reaction of phosphor-containing pesticides such as methidathion (MT) and dimethoate (DM) with dichloride radical anions (Cl2.-) was investigated. The second order rate constants (1.3 ± 0.4)x 108 and (1.1 ± 0.4) x 108 M-1 s-1, were determined for the reaction of Cl2.- with MT and DM, respectively. A reaction mechanism involving an initial charge transfer from the sulfide groups of the insecticides to Cl2.- is proposed and supported by the identified transient intermediates and reaction products. The formation of chlorinated by-products was determined. The unexpected consequences of an efficient Cl2.- reactivity towards MT and DM on the degradation capacity by Advanced Oxidation Procedures applied to polluted waters containing the insecticides and Cl- anions is discussed.
publishDate 2013
dc.date.none.fl_str_mv 2013-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/4788
Caregnato, Paula; Rosso, Janina Alejandra; Soler, Juan; Arques, Antonio; Martire, Daniel Osvaldo; et al.; Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical; Elsevier; Water Research; 47; 1; 1-2013; 351-362
0043-1354
url http://hdl.handle.net/11336/4788
identifier_str_mv Caregnato, Paula; Rosso, Janina Alejandra; Soler, Juan; Arques, Antonio; Martire, Daniel Osvaldo; et al.; Chloride anion effect on the advanced oxidation processes of methidathion and dimethoate: role of Cl2- radical; Elsevier; Water Research; 47; 1; 1-2013; 351-362
0043-1354
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0043135412007324
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.watres.2012.10.018
info:eu-repo/semantics/altIdentifier/issn/0043-1354
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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