Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil)
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por eng |
Título da fonte: | Vigilância Sanitária em Debate |
Texto Completo: | https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840 |
Resumo: | Public water supply samples (n = 4347) from 88 municipalities in the northeast of the State of São Paulo (Brazil) were analysed in 21 physico-chemical parameters: temperature, conductivity (by conductimetry), free residual chlorine (colorimetry with N,N-diethyl-p-phenylenediamine), pH (potentiometry), apparent color (spectrophotometry), turbidity (nephelometry), and concentrations of Li+, Na+, NH4+, K+, Ca2+, Mg2+, F-, ClO2-, BrO3-, Cl-, Br-, ClO3-, NO3-, PO43-, SO42- (ion chromatography). The results were submitted to multivariate data analysis. The principal component analysis of 12 variable medians (pH, conductivity, Li+, Na+, K+, Ca2+, Mg2+, Cl-, ClO3-, NO3-, PO43-, SO42-) from 88 municipalities indicated Ibitinga as the locality with the public water supply having physicochemical characteristics unique in the region, characterized by higher relative concentrations of sulphate, chloride, lithium, and sodium, and higher values of pH and conductivity. Additionally, Ibitinga was the only municipality that systematically presented bromide in the water composition. A second principal component analysis on 79 samples of Ibitinga has indicated a sample with higher concentrations of chloride and sulphate, and 4 samples where the presence of nitrate was characteristic. Hierarchical cluster analysis exhibited the clustering of these groups produced in two component analysis. Validation of methods based on ion chromatography is also presented. |
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Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil)Parâmetros físico-químicos incomuns em água de abastecimento público de um município da região nordeste do Estado de São Paulo (Brasil)Qualidade da ÁguaAnálise Físico-químicaAnálise de Componente PrincipalVigilância SanitáriaWater QualityPhysicochemical AnalysisPrincipal Component AnalysisSanitary SurveillancePublic water supply samples (n = 4347) from 88 municipalities in the northeast of the State of São Paulo (Brazil) were analysed in 21 physico-chemical parameters: temperature, conductivity (by conductimetry), free residual chlorine (colorimetry with N,N-diethyl-p-phenylenediamine), pH (potentiometry), apparent color (spectrophotometry), turbidity (nephelometry), and concentrations of Li+, Na+, NH4+, K+, Ca2+, Mg2+, F-, ClO2-, BrO3-, Cl-, Br-, ClO3-, NO3-, PO43-, SO42- (ion chromatography). The results were submitted to multivariate data analysis. The principal component analysis of 12 variable medians (pH, conductivity, Li+, Na+, K+, Ca2+, Mg2+, Cl-, ClO3-, NO3-, PO43-, SO42-) from 88 municipalities indicated Ibitinga as the locality with the public water supply having physicochemical characteristics unique in the region, characterized by higher relative concentrations of sulphate, chloride, lithium, and sodium, and higher values of pH and conductivity. Additionally, Ibitinga was the only municipality that systematically presented bromide in the water composition. A second principal component analysis on 79 samples of Ibitinga has indicated a sample with higher concentrations of chloride and sulphate, and 4 samples where the presence of nitrate was characteristic. Hierarchical cluster analysis exhibited the clustering of these groups produced in two component analysis. Validation of methods based on ion chromatography is also presented.Amostras de águas de abastecimento público (n = 4347) de 88 municípios do nordeste do Estado de São Paulo (Brasil) foram analisadas em 21 parâmetros físico-químicos: temperatura, condutividade (por condutimetria), cloro residual livre (colorimetria com N,N-dietil-p-fenilenodiamina), pH (potenciometria), cor aparente (espectrofotometria), turbidez (nefelometria), e concentrações de Li+, Na+, NH4+, K+, Ca2+, Mg2+, F-, ClO2-, BrO3-, Cl-, Br-, ClO3-, NO3-, PO43- e SO42- (cromatografia de íons). Os resultados foram submetidos à análise multivariada de dados. A análise de componentes principais das medianas de 12 variáveis (pH, condutividade, Li+, Na+, K+, Ca2+, Mg2+, Cl-, ClO3-, NO3-, PO43-, SO42-) dos 88 municípios indicou Ibitinga como local com água de características físico-químicas únicas, caracterizada pelas concentrações relativas mais altas de sulfato, cloreto, lítio e sódio, e aos valores maiores de pH e condutividade. Em adição, Ibitinga foi o único município que apresentou sistematicamente brometo na composição da água. Uma segunda análise de componentes principais envolvendo as amostras de Ibitinga indicou uma amostra com concentrações mais altas de cloreto e sulfato, e quatro amostras nas quais a presença de nitrato foi característica. Análises de agrupamento hierárquico exibiram a formação dos mesmos grupos produzidos nas duas análises de componentes. A validação dos métodos cromatográficos também é apresentada.Instituto Nacional de Controle de Qualidade em Saúde2017-03-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion"Editor de seção"application/pdfapplication/pdfhttps://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/84010.22239/2317-269X.00840Health Surveillance under Debate: Society, Science & Technology ; Vol. 5 No. 1 (2017): February; 106-115Vigilancia en Salud en Debate: Sociedad, Ciencia y Tecnología; Vol. 5 Núm. 1 (2017): Fevereiro; 106-115Vigil Sanit Debate, Rio de Janeiro; v. 5 n. 1 (2017): Fevereiro; 106-1152317-269Xreponame:Vigilância Sanitária em Debateinstname:Fundação Oswaldo Cruz (Fiocruz)instacron:FIOCRUZporenghttps://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840/363https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840/523Copyright (c) 2017 Vigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia (Health Surveillance under Debate: Society, Science & Technology) – Visa em Debatehttps://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccessDovidauskas, SergioOkada, Isaura AkemiIha, Maria HelenaCavallini, Álvaro GennariOkada, Marina MiyukiBriganti, Rita de Cássia2021-09-30T19:11:03Zoai:ojs.visaemdebate.incqs.fiocruz.br:article/840Revistahttps://visaemdebate.incqs.fiocruz.br/index.php/visaemdebatePUBhttps://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/oaiincqs.visaemdebate@fiocruz.br || gisele.neves@fiocruz.br2317-269X2317-269Xopendoar:2021-09-30T19:11:03Vigilância Sanitária em Debate - Fundação Oswaldo Cruz (Fiocruz)false |
dc.title.none.fl_str_mv |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) Parâmetros físico-químicos incomuns em água de abastecimento público de um município da região nordeste do Estado de São Paulo (Brasil) |
title |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
spellingShingle |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) Dovidauskas, Sergio Qualidade da Água Análise Físico-química Análise de Componente Principal Vigilância Sanitária Water Quality Physicochemical Analysis Principal Component Analysis Sanitary Surveillance |
title_short |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
title_full |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
title_fullStr |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
title_full_unstemmed |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
title_sort |
Unusual physico-chemical parameters in the public water supply of a town in the northeast of the São Paulo State (Brazil) |
author |
Dovidauskas, Sergio |
author_facet |
Dovidauskas, Sergio Okada, Isaura Akemi Iha, Maria Helena Cavallini, Álvaro Gennari Okada, Marina Miyuki Briganti, Rita de Cássia |
author_role |
author |
author2 |
Okada, Isaura Akemi Iha, Maria Helena Cavallini, Álvaro Gennari Okada, Marina Miyuki Briganti, Rita de Cássia |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Dovidauskas, Sergio Okada, Isaura Akemi Iha, Maria Helena Cavallini, Álvaro Gennari Okada, Marina Miyuki Briganti, Rita de Cássia |
dc.subject.por.fl_str_mv |
Qualidade da Água Análise Físico-química Análise de Componente Principal Vigilância Sanitária Water Quality Physicochemical Analysis Principal Component Analysis Sanitary Surveillance |
topic |
Qualidade da Água Análise Físico-química Análise de Componente Principal Vigilância Sanitária Water Quality Physicochemical Analysis Principal Component Analysis Sanitary Surveillance |
description |
Public water supply samples (n = 4347) from 88 municipalities in the northeast of the State of São Paulo (Brazil) were analysed in 21 physico-chemical parameters: temperature, conductivity (by conductimetry), free residual chlorine (colorimetry with N,N-diethyl-p-phenylenediamine), pH (potentiometry), apparent color (spectrophotometry), turbidity (nephelometry), and concentrations of Li+, Na+, NH4+, K+, Ca2+, Mg2+, F-, ClO2-, BrO3-, Cl-, Br-, ClO3-, NO3-, PO43-, SO42- (ion chromatography). The results were submitted to multivariate data analysis. The principal component analysis of 12 variable medians (pH, conductivity, Li+, Na+, K+, Ca2+, Mg2+, Cl-, ClO3-, NO3-, PO43-, SO42-) from 88 municipalities indicated Ibitinga as the locality with the public water supply having physicochemical characteristics unique in the region, characterized by higher relative concentrations of sulphate, chloride, lithium, and sodium, and higher values of pH and conductivity. Additionally, Ibitinga was the only municipality that systematically presented bromide in the water composition. A second principal component analysis on 79 samples of Ibitinga has indicated a sample with higher concentrations of chloride and sulphate, and 4 samples where the presence of nitrate was characteristic. Hierarchical cluster analysis exhibited the clustering of these groups produced in two component analysis. Validation of methods based on ion chromatography is also presented. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-03-07 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion "Editor de seção" |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840 10.22239/2317-269X.00840 |
url |
https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840 |
identifier_str_mv |
10.22239/2317-269X.00840 |
dc.language.iso.fl_str_mv |
por eng |
language |
por eng |
dc.relation.none.fl_str_mv |
https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840/363 https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/840/523 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by-nc-nd/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Instituto Nacional de Controle de Qualidade em Saúde |
publisher.none.fl_str_mv |
Instituto Nacional de Controle de Qualidade em Saúde |
dc.source.none.fl_str_mv |
Health Surveillance under Debate: Society, Science & Technology ; Vol. 5 No. 1 (2017): February; 106-115 Vigilancia en Salud en Debate: Sociedad, Ciencia y Tecnología; Vol. 5 Núm. 1 (2017): Fevereiro; 106-115 Vigil Sanit Debate, Rio de Janeiro; v. 5 n. 1 (2017): Fevereiro; 106-115 2317-269X reponame:Vigilância Sanitária em Debate instname:Fundação Oswaldo Cruz (Fiocruz) instacron:FIOCRUZ |
instname_str |
Fundação Oswaldo Cruz (Fiocruz) |
instacron_str |
FIOCRUZ |
institution |
FIOCRUZ |
reponame_str |
Vigilância Sanitária em Debate |
collection |
Vigilância Sanitária em Debate |
repository.name.fl_str_mv |
Vigilância Sanitária em Debate - Fundação Oswaldo Cruz (Fiocruz) |
repository.mail.fl_str_mv |
incqs.visaemdebate@fiocruz.br || gisele.neves@fiocruz.br |
_version_ |
1797042047395299328 |