Validation of methodology for pesticide residue analysis in drinking water

Since pesticides are one of the main chemical substances human beings are exposed to and due to the need to obtain reliable results, the objective of this work is to validate the analytic methodology. It is based on the Environmental Protection Agency (EPA) 505 revision 2.1 (1995): Analysis of organ...

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Autores principales: De Romedi, Adriana, Nassetta, Mirtha M., Córpora, Roxana M.
Formato: Artículo revista
Lenguaje:Español
Publicado: Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC 2014
Materias:
Pesticides
validation
drinking water
public health
Plaguicidas
validación
agua para consumo humano
salud pública
Acceso en línea:https://revistas.unc.edu.ar/index.php/RSD/article/view/7022
Aporte de:
Revista de Salud Pública de Universidad Nacional de Córdoba
id I10-R360-article-7022
record_format ojs
spelling I10-R360-article-70222025-04-03T12:07:36Z Validation of methodology for pesticide residue analysis in drinking water Validación de la metodología para análisis de residuos de plaguicidas en agua para consumo humano De Romedi, Adriana Nassetta, Mirtha M. Córpora, Roxana M. Pesticides validation drinking water public health Plaguicidas validación agua para consumo humano salud pública Since pesticides are one of the main chemical substances human beings are exposed to and due to the need to obtain reliable results, the objective of this work is to validate the analytic methodology. It is based on the Environmental Protection Agency (EPA) 505 revision 2.1 (1995): Analysis of organohalide Pesticide and commercial polychlorinated biphenyl (PCB) products in water by microextraction and gas chromatography, using as reference the Maximum Residues Level (MRL) established by the Argentine Food Code, according to ISO17025: 1999.For the extraction of pesticides, liquid-liquid extraction with hexane was used and later identification and classification was done by gas chromatography.The method presents good sensitivity with detection limits ranging from 0.003 to 0.3 ?g/L and quantification limits from 0.01 to 0.9 ?g/L. As regards accuracy, relative standard deviation was below 20% for all the substances analyzed. The method shows excellent linearity in the work range established, with determination coefficients over 0.995. Debido a que los plaguicidas ocupan un lugar importante dentro de las sustancias químicas a las que el hombre esta expuesto, y frente a la necesidad de que los resultados obtenidos sean confiables, el objetivo de este trabajo consiste en la validación de la metodología analítica, basada en el método de Environmental Protection Agency (EPA) 505 revision 2.1 (1995): Analysis of organohalide Pesticide and commercial polychlorinated biphenyl (PCB) products in water by microextraction and gas chromatography, utilizando como valores de referencia los establecidos por el Código Alimentario Argentino, siguiendo los lineamientos de la norma de calidad ISO17025 :2005.Para la extracción de los plaguicidas se utiliza la extracción liquido-liquido con hexano y posterior identificación y cuantificación por cromatografía de gases.El método presenta muy buena sensibilidad con límites de detección de 0,003 a 0,3 ?g/L y de cuantificación de 0,01 a 0,9 ?g/L. En cuanto a la precisión del método medida como desviación estándar relativa es menor al 20% para todos los compuestos analizados. El método muestra una excelente linealidad en el rango de trabajo establecido, con coeficientes de determinación mayores a 0,995. Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC 2014-04-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unc.edu.ar/index.php/RSD/article/view/7022 10.31052/1853.1180.v15.n2.7022 Revista de Salud Pública; Vol. 15 Núm. 2 (2011); 27-35 1852-9429 1853-1180 10.31052/1853.1180.v15.n2 spa https://revistas.unc.edu.ar/index.php/RSD/article/view/7022/8088 Derechos de autor 1969 Universidad Nacional de Córdoba https://creativecommons.org/licenses/by-nc/4.0
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-360
container_title_str Revista de Salud Pública
language Español
format Artículo revista
topic Pesticides
validation
drinking water
public health
Plaguicidas
validación
agua para consumo humano
salud pública
spellingShingle Pesticides
validation
drinking water
public health
Plaguicidas
validación
agua para consumo humano
salud pública
De Romedi, Adriana
Nassetta, Mirtha M.
Córpora, Roxana M.
Validation of methodology for pesticide residue analysis in drinking water
topic_facet Pesticides
validation
drinking water
public health
Plaguicidas
validación
agua para consumo humano
salud pública
author De Romedi, Adriana
Nassetta, Mirtha M.
Córpora, Roxana M.
author_facet De Romedi, Adriana
Nassetta, Mirtha M.
Córpora, Roxana M.
author_sort De Romedi, Adriana
title Validation of methodology for pesticide residue analysis in drinking water
title_short Validation of methodology for pesticide residue analysis in drinking water
title_full Validation of methodology for pesticide residue analysis in drinking water
title_fullStr Validation of methodology for pesticide residue analysis in drinking water
title_full_unstemmed Validation of methodology for pesticide residue analysis in drinking water
title_sort validation of methodology for pesticide residue analysis in drinking water
description Since pesticides are one of the main chemical substances human beings are exposed to and due to the need to obtain reliable results, the objective of this work is to validate the analytic methodology. It is based on the Environmental Protection Agency (EPA) 505 revision 2.1 (1995): Analysis of organohalide Pesticide and commercial polychlorinated biphenyl (PCB) products in water by microextraction and gas chromatography, using as reference the Maximum Residues Level (MRL) established by the Argentine Food Code, according to ISO17025: 1999.For the extraction of pesticides, liquid-liquid extraction with hexane was used and later identification and classification was done by gas chromatography.The method presents good sensitivity with detection limits ranging from 0.003 to 0.3 ?g/L and quantification limits from 0.01 to 0.9 ?g/L. As regards accuracy, relative standard deviation was below 20% for all the substances analyzed. The method shows excellent linearity in the work range established, with determination coefficients over 0.995.
publisher Escuela de Salud Pública y Ambiente. Fac. Cs. Médicas UNC
publishDate 2014
url https://revistas.unc.edu.ar/index.php/RSD/article/view/7022
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first_indexed 2024-09-03T22:25:16Z
last_indexed 2025-05-10T05:20:22Z
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