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
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/4788
Ver los metadatos del registro completo
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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 Técnicas2025-10-22T11:53:36Zoai: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:34982025-10-22 11:53:36.438CONICET 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 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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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 |
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eng |
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eng |
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openAccess |
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Elsevier |
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Elsevier |
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