ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon
- Autores
- Farias, Gustavo Marcelo; Cerutti, Estela Soledad; Gasquez, José Antonio; Olsina, Roberto Antonio; Martinez, Luis Dante
- Año de publicación
- 2003
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- An on-line cobalt preconcentration system is described for the ICP-OES determination of cobalt in drinking water in a flow injection system. The methodology developed is simple and rapid. Trace amounts of cobalt were pre-concentrated by sorption on a conical mini column packed with activated carbon (AC) at pH 9.5, with retention of 95%. The cobalt was removed from the conical mini column with 20% (v/v) nitric acid. An enrichment factor of 95-fold for a sample volume of 50 mL was obtained. The detection limit for the preconcentration method proposed was found to be 20 ng L–1. The precision for 10 replicate determinations at the 5-µg L–1 Co level was 2.7% relative standard deviation, calculated from the peak heights obtained. The calibration graph preconcentration method for cobalt species was linear with a correlation coefficient of 0.9994 at levels near the detection limits up to at least 100 µg L–1. The method was successfully applied to the determination of cobalt in natural water samples.
Fil: Farias, Gustavo Marcelo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; Argentina
Fil: Cerutti, Estela Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
Fil: Gasquez, José Antonio. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; Argentina
Fil: Olsina, Roberto Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
Fil: Martinez, Luis Dante. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina - Materia
-
ICP-OES
Cobalt - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/147254
Ver los metadatos del registro completo
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ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbonFarias, Gustavo MarceloCerutti, Estela SoledadGasquez, José AntonioOlsina, Roberto AntonioMartinez, Luis DanteICP-OESCobalthttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1An on-line cobalt preconcentration system is described for the ICP-OES determination of cobalt in drinking water in a flow injection system. The methodology developed is simple and rapid. Trace amounts of cobalt were pre-concentrated by sorption on a conical mini column packed with activated carbon (AC) at pH 9.5, with retention of 95%. The cobalt was removed from the conical mini column with 20% (v/v) nitric acid. An enrichment factor of 95-fold for a sample volume of 50 mL was obtained. The detection limit for the preconcentration method proposed was found to be 20 ng L–1. The precision for 10 replicate determinations at the 5-µg L–1 Co level was 2.7% relative standard deviation, calculated from the peak heights obtained. The calibration graph preconcentration method for cobalt species was linear with a correlation coefficient of 0.9994 at levels near the detection limits up to at least 100 µg L–1. The method was successfully applied to the determination of cobalt in natural water samples.Fil: Farias, Gustavo Marcelo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; ArgentinaFil: Cerutti, Estela Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; ArgentinaFil: Gasquez, José Antonio. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; ArgentinaFil: Olsina, Roberto Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; ArgentinaFil: Martinez, Luis Dante. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; ArgentinaPerkin-elmer Corp2003-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/147254Farias, Gustavo Marcelo; Cerutti, Estela Soledad; Gasquez, José Antonio; Olsina, Roberto Antonio; Martinez, Luis Dante; ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon; Perkin-elmer Corp; Atomic Spectroscopy; 24; 6; 11-2003; 213-2170195-53732708-521XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.at-spectrosc.com/as/article/abstract/200306004?st=article_issueinfo:eu-repo/semantics/altIdentifier/doi/10.46770/AS.2003.06.005info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:03:10Zoai:ri.conicet.gov.ar:11336/147254instacron: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:34982025-09-03 10:03:10.583CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
title |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
spellingShingle |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon Farias, Gustavo Marcelo ICP-OES Cobalt |
title_short |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
title_full |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
title_fullStr |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
title_full_unstemmed |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
title_sort |
ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon |
dc.creator.none.fl_str_mv |
Farias, Gustavo Marcelo Cerutti, Estela Soledad Gasquez, José Antonio Olsina, Roberto Antonio Martinez, Luis Dante |
author |
Farias, Gustavo Marcelo |
author_facet |
Farias, Gustavo Marcelo Cerutti, Estela Soledad Gasquez, José Antonio Olsina, Roberto Antonio Martinez, Luis Dante |
author_role |
author |
author2 |
Cerutti, Estela Soledad Gasquez, José Antonio Olsina, Roberto Antonio Martinez, Luis Dante |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
ICP-OES Cobalt |
topic |
ICP-OES Cobalt |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
An on-line cobalt preconcentration system is described for the ICP-OES determination of cobalt in drinking water in a flow injection system. The methodology developed is simple and rapid. Trace amounts of cobalt were pre-concentrated by sorption on a conical mini column packed with activated carbon (AC) at pH 9.5, with retention of 95%. The cobalt was removed from the conical mini column with 20% (v/v) nitric acid. An enrichment factor of 95-fold for a sample volume of 50 mL was obtained. The detection limit for the preconcentration method proposed was found to be 20 ng L–1. The precision for 10 replicate determinations at the 5-µg L–1 Co level was 2.7% relative standard deviation, calculated from the peak heights obtained. The calibration graph preconcentration method for cobalt species was linear with a correlation coefficient of 0.9994 at levels near the detection limits up to at least 100 µg L–1. The method was successfully applied to the determination of cobalt in natural water samples. Fil: Farias, Gustavo Marcelo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; Argentina Fil: Cerutti, Estela Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina Fil: Gasquez, José Antonio. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia; Argentina Fil: Olsina, Roberto Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina Fil: Martinez, Luis Dante. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina |
description |
An on-line cobalt preconcentration system is described for the ICP-OES determination of cobalt in drinking water in a flow injection system. The methodology developed is simple and rapid. Trace amounts of cobalt were pre-concentrated by sorption on a conical mini column packed with activated carbon (AC) at pH 9.5, with retention of 95%. The cobalt was removed from the conical mini column with 20% (v/v) nitric acid. An enrichment factor of 95-fold for a sample volume of 50 mL was obtained. The detection limit for the preconcentration method proposed was found to be 20 ng L–1. The precision for 10 replicate determinations at the 5-µg L–1 Co level was 2.7% relative standard deviation, calculated from the peak heights obtained. The calibration graph preconcentration method for cobalt species was linear with a correlation coefficient of 0.9994 at levels near the detection limits up to at least 100 µg L–1. The method was successfully applied to the determination of cobalt in natural water samples. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-11 |
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/11336/147254 Farias, Gustavo Marcelo; Cerutti, Estela Soledad; Gasquez, José Antonio; Olsina, Roberto Antonio; Martinez, Luis Dante; ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon; Perkin-elmer Corp; Atomic Spectroscopy; 24; 6; 11-2003; 213-217 0195-5373 2708-521X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/147254 |
identifier_str_mv |
Farias, Gustavo Marcelo; Cerutti, Estela Soledad; Gasquez, José Antonio; Olsina, Roberto Antonio; Martinez, Luis Dante; ICP-OES Determination of cobalt in natural water using a flow injection system after preconcentration on activated carbon; Perkin-elmer Corp; Atomic Spectroscopy; 24; 6; 11-2003; 213-217 0195-5373 2708-521X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.at-spectrosc.com/as/article/abstract/200306004?st=article_issue info:eu-repo/semantics/altIdentifier/doi/10.46770/AS.2003.06.005 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Perkin-elmer Corp |
publisher.none.fl_str_mv |
Perkin-elmer Corp |
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 |
_version_ |
1842269786330890240 |
score |
13.13397 |