Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples
- Autores
- Martinis, Estefanía Mabel; Wuilloud, Rodolfo German
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A novel technique named cold vapor ionic liquid-assisted headspace single drop microextraction (CVILAHS-SDME) was developed for Hg species determination at trace levels. Inorganic (InHg) and organomercury (OrgHg) species separation, preconcentration and determination were performed by in situ cold vapor generation (CV) followed by headspace extraction with a suspended microdrop of a low cost RTIL, i.e. tetradecyl(trihexyl)phosphonium chloride (CYPHOS_ IL 101), and direct injection in electrothermal atomic absorption spectrometry (ETAAS). Stannous chloride (SnCl2) was used to reduce Hg(2+) to volatile Hg(0), while oxidation of OrHg species permitted the determination of total Hg. OrHg species concentration was evaluated based on the difference between total Hg and InHg concentration. Different variables of CV-ILAHS-SDME technique, such as cold vapor generation conditions, temperature, sample and solvent volume, extraction time, and stirring rate were carefully studied. The analytical sensitivity was enhanced by a factor of 75. A low detection limit (10 ng/L) and good precision (relative standard deviation of 4.6% at 0.25 mg/L Hg and n=10) were achieved. Experimental results demonstrated that CV-ILAHS-SDME using CYPHOS_ IL 101 is a rapid, costeffective and green microextraction technique for Hg determination in samples with a complex matrix, such as sea water, fish tissues, hair and wine.
Fil: Martinis, Estefanía Mabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina
Fil: Wuilloud, Rodolfo German. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina - Materia
-
MERCURY
COLD VAPOR ATOMIC ABSORPTION
IONIC LIQUID
PRECONCENTRATION - 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:11336/243470
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spelling |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samplesMartinis, Estefanía MabelWuilloud, Rodolfo GermanMERCURYCOLD VAPOR ATOMIC ABSORPTIONIONIC LIQUIDPRECONCENTRATIONhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A novel technique named cold vapor ionic liquid-assisted headspace single drop microextraction (CVILAHS-SDME) was developed for Hg species determination at trace levels. Inorganic (InHg) and organomercury (OrgHg) species separation, preconcentration and determination were performed by in situ cold vapor generation (CV) followed by headspace extraction with a suspended microdrop of a low cost RTIL, i.e. tetradecyl(trihexyl)phosphonium chloride (CYPHOS_ IL 101), and direct injection in electrothermal atomic absorption spectrometry (ETAAS). Stannous chloride (SnCl2) was used to reduce Hg(2+) to volatile Hg(0), while oxidation of OrHg species permitted the determination of total Hg. OrHg species concentration was evaluated based on the difference between total Hg and InHg concentration. Different variables of CV-ILAHS-SDME technique, such as cold vapor generation conditions, temperature, sample and solvent volume, extraction time, and stirring rate were carefully studied. The analytical sensitivity was enhanced by a factor of 75. A low detection limit (10 ng/L) and good precision (relative standard deviation of 4.6% at 0.25 mg/L Hg and n=10) were achieved. Experimental results demonstrated that CV-ILAHS-SDME using CYPHOS_ IL 101 is a rapid, costeffective and green microextraction technique for Hg determination in samples with a complex matrix, such as sea water, fish tissues, hair and wine.Fil: Martinis, Estefanía Mabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; ArgentinaFil: Wuilloud, Rodolfo German. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; ArgentinaRoyal Society of Chemistry2010-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/243470Martinis, Estefanía Mabel; Wuilloud, Rodolfo German; Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples; Royal Society of Chemistry; Journal of Analytical Atomic Spectrometry; 25; 9; 9-2010; 1432-14390267-9477CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://pubs.rsc.org/en/content/articlelanding/2010/ja/c004678ginfo:eu-repo/semantics/altIdentifier/doi/10.1039/c004678ginfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:43:18Zoai:ri.conicet.gov.ar:11336/243470instacron: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 09:43:19.046CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
title |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
spellingShingle |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples Martinis, Estefanía Mabel MERCURY COLD VAPOR ATOMIC ABSORPTION IONIC LIQUID PRECONCENTRATION |
title_short |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
title_full |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
title_fullStr |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
title_full_unstemmed |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
title_sort |
Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples |
dc.creator.none.fl_str_mv |
Martinis, Estefanía Mabel Wuilloud, Rodolfo German |
author |
Martinis, Estefanía Mabel |
author_facet |
Martinis, Estefanía Mabel Wuilloud, Rodolfo German |
author_role |
author |
author2 |
Wuilloud, Rodolfo German |
author2_role |
author |
dc.subject.none.fl_str_mv |
MERCURY COLD VAPOR ATOMIC ABSORPTION IONIC LIQUID PRECONCENTRATION |
topic |
MERCURY COLD VAPOR ATOMIC ABSORPTION IONIC LIQUID PRECONCENTRATION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
A novel technique named cold vapor ionic liquid-assisted headspace single drop microextraction (CVILAHS-SDME) was developed for Hg species determination at trace levels. Inorganic (InHg) and organomercury (OrgHg) species separation, preconcentration and determination were performed by in situ cold vapor generation (CV) followed by headspace extraction with a suspended microdrop of a low cost RTIL, i.e. tetradecyl(trihexyl)phosphonium chloride (CYPHOS_ IL 101), and direct injection in electrothermal atomic absorption spectrometry (ETAAS). Stannous chloride (SnCl2) was used to reduce Hg(2+) to volatile Hg(0), while oxidation of OrHg species permitted the determination of total Hg. OrHg species concentration was evaluated based on the difference between total Hg and InHg concentration. Different variables of CV-ILAHS-SDME technique, such as cold vapor generation conditions, temperature, sample and solvent volume, extraction time, and stirring rate were carefully studied. The analytical sensitivity was enhanced by a factor of 75. A low detection limit (10 ng/L) and good precision (relative standard deviation of 4.6% at 0.25 mg/L Hg and n=10) were achieved. Experimental results demonstrated that CV-ILAHS-SDME using CYPHOS_ IL 101 is a rapid, costeffective and green microextraction technique for Hg determination in samples with a complex matrix, such as sea water, fish tissues, hair and wine. Fil: Martinis, Estefanía Mabel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina Fil: Wuilloud, Rodolfo German. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Interdisciplinario de Ciencias Básicas. - Universidad Nacional de Cuyo. Instituto Interdisciplinario de Ciencias Básicas; Argentina |
description |
A novel technique named cold vapor ionic liquid-assisted headspace single drop microextraction (CVILAHS-SDME) was developed for Hg species determination at trace levels. Inorganic (InHg) and organomercury (OrgHg) species separation, preconcentration and determination were performed by in situ cold vapor generation (CV) followed by headspace extraction with a suspended microdrop of a low cost RTIL, i.e. tetradecyl(trihexyl)phosphonium chloride (CYPHOS_ IL 101), and direct injection in electrothermal atomic absorption spectrometry (ETAAS). Stannous chloride (SnCl2) was used to reduce Hg(2+) to volatile Hg(0), while oxidation of OrHg species permitted the determination of total Hg. OrHg species concentration was evaluated based on the difference between total Hg and InHg concentration. Different variables of CV-ILAHS-SDME technique, such as cold vapor generation conditions, temperature, sample and solvent volume, extraction time, and stirring rate were carefully studied. The analytical sensitivity was enhanced by a factor of 75. A low detection limit (10 ng/L) and good precision (relative standard deviation of 4.6% at 0.25 mg/L Hg and n=10) were achieved. Experimental results demonstrated that CV-ILAHS-SDME using CYPHOS_ IL 101 is a rapid, costeffective and green microextraction technique for Hg determination in samples with a complex matrix, such as sea water, fish tissues, hair and wine. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-09 |
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/11336/243470 Martinis, Estefanía Mabel; Wuilloud, Rodolfo German; Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples; Royal Society of Chemistry; Journal of Analytical Atomic Spectrometry; 25; 9; 9-2010; 1432-1439 0267-9477 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/243470 |
identifier_str_mv |
Martinis, Estefanía Mabel; Wuilloud, Rodolfo German; Cold vapor ionic liquid-assisted headspace single-drop microextraction: A novel preconcentration technique for mercury species determination in complex matrix samples; Royal Society of Chemistry; Journal of Analytical Atomic Spectrometry; 25; 9; 9-2010; 1432-1439 0267-9477 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://pubs.rsc.org/en/content/articlelanding/2010/ja/c004678g info:eu-repo/semantics/altIdentifier/doi/10.1039/c004678g |
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 application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Royal Society of Chemistry |
publisher.none.fl_str_mv |
Royal Society of Chemistry |
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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1844613362870124544 |
score |
13.070432 |