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Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters

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Summary:Two sequential injection methodologies for the spectrophotometric determination of reactive aluminium in water samples are proposed, based on the reaction between chrome azurol S (CAS) and aluminium. The two methods involve a direct and a kinetic methodology (for its application to coloured waste waters), both accommodated within the same manifold. The working ranges obtained were: 0.040-0.500 mg Al Lˉ¹ for direct method and 0.050-0.300 mg Al Lˉ¹ for the kinetic method. The described system has high degree of automation, enabling sampling throughputs of 31 and 57 hˉ¹ for the kinetic method and direct methods, respectively. The reagents consumption per determination is low: 46 μg of CAS, 3.75 mg of sodium acetate and 25 μg of ascorbic acid. The volume of effluent produced per determination is only around 2.8 mL in the direct method and 3.4 mL in the kinetic method.
Main Authors:Mesquita, Raquel B. R.
Other Authors:Rangel, António O. S. S.
Subject:Sequential injection Spectrophotometry Aluminium Waters kinetic determination
Year:2008
Country:Portugal
Document type:article
Access type:open access
Associated institution:Universidade Católica Portuguesa
Language:English
Origin:Veritati - Repositório Institucional da Universidade Católica Portuguesa
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author Mesquita, Raquel B. R.
author2 Rangel, António O. S. S.
author2_role author
author_facet Mesquita, Raquel B. R.
Rangel, António O. S. S.
author_role author
contributor_name_str_mv Veritati
country_str PT
creators_json_txt [{\"Person.name\":\"Mesquita, Raquel B. R.\",\"Person.identifier.cienciaID\":\"EB1D-DEE3-0B60\",\"Person.identifier.orcid\":\"0000-0001-7745-1860\",\"Person.identifier.researcherID\":\"J-4630-2013\",\"Person.identifier.scopusAuthorID\":\"7005556626\",\"Person.identifier.scopusAuthorID\":\"7005556626\"},{\"Person.name\":\"Rangel, António O. S. S.\",\"Person.identifier.cienciaID\":\"D61D-7CFB-178A\",\"Person.identifier.orcid\":\"0000-0002-6486-8947\",\"Person.identifier.scopusAuthorID\":\"7004827387\"}]
datacite.contributors.contributor.contributorName.fl_str_mv Veritati
datacite.creators.creator.creatorName.fl_str_mv Mesquita, Raquel B. R.
Rangel, António O. S. S.
datacite.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
datacite.date.available.fl_str_mv 2010-10-11T10:52:40Z
datacite.date.embargoed.fl_str_mv 2010-10-11T10:52:40Z
datacite.rights.fl_str_mv http://purl.org/coar/access_right/c_abf2
datacite.subjects.subject.fl_str_mv Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
datacite.titles.title.fl_str_mv Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
dc.contributor.none.fl_str_mv Veritati
dc.creator.none.fl_str_mv Mesquita, Raquel B. R.
Rangel, António O. S. S.
dc.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
dc.date.available.fl_str_mv 2010-10-11T10:52:40Z
dc.date.embargoed.fl_str_mv 2010-10-11T10:52:40Z
dc.format.none.fl_str_mv application/pdf
dc.identifier.none.fl_str_mv http://hdl.handle.net/10400.14/2772
dc.language.none.fl_str_mv eng
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.rights.cclincense.fl_str_mv http://creativecommons.org/licenses/by-nc/4.0/
dc.rights.none.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.subject.none.fl_str_mv Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
dc.title.fl_str_mv Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
dc.type.none.fl_str_mv http://purl.org/coar/resource_type/c_6501
description Two sequential injection methodologies for the spectrophotometric determination of reactive aluminium in water samples are proposed, based on the reaction between chrome azurol S (CAS) and aluminium. The two methods involve a direct and a kinetic methodology (for its application to coloured waste waters), both accommodated within the same manifold. The working ranges obtained were: 0.040-0.500 mg Al Lˉ¹ for direct method and 0.050-0.300 mg Al Lˉ¹ for the kinetic method. The described system has high degree of automation, enabling sampling throughputs of 31 and 57 hˉ¹ for the kinetic method and direct methods, respectively. The reagents consumption per determination is low: 46 μg of CAS, 3.75 mg of sodium acetate and 25 μg of ascorbic acid. The volume of effluent produced per determination is only around 2.8 mL in the direct method and 3.4 mL in the kinetic method.
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eu_rights_str_mv openAccess
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person_str_mv Mesquita, Raquel B. R.
Mesquita, Raquel B. R.
https://www.ciencia-id.pt/EB1D-DEE3-0B60
EB1D-DEE3-0B60
http://orcid.org/0000-0001-7745-1860
0000-0001-7745-1860
Rangel, António O. S. S.
Rangel, António O. S. S.
https://www.ciencia-id.pt/D61D-7CFB-178A
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publishDate 2008
publisher.none.fl_str_mv Sociedade Brasileira de Química
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spelling engSociedade Brasileira de QuímicaporTwo sequential injection methodologies for the spectrophotometric determination of reactive aluminium in water samples are proposed, based on the reaction between chrome azurol S (CAS) and aluminium. The two methods involve a direct and a kinetic methodology (for its application to coloured waste waters), both accommodated within the same manifold. The working ranges obtained were: 0.040-0.500 mg Al Lˉ¹ for direct method and 0.050-0.300 mg Al Lˉ¹ for the kinetic method. The described system has high degree of automation, enabling sampling throughputs of 31 and 57 hˉ¹ for the kinetic method and direct methods, respectively. The reagents consumption per determination is low: 46 μg of CAS, 3.75 mg of sodium acetate and 25 μg of ascorbic acid. The volume of effluent produced per determination is only around 2.8 mL in the direct method and 3.4 mL in the kinetic method.application/pdfporDevelopment of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste watersPersonalMesquita, Raquel B. R.DSpacehttp://dspace.org/items/f89887f1-4d1b-438b-8f03-27d9bda1de7bDSpacehttp://dspace.org/items/f89887f1-4d1b-438b-8f03-27d9bda1de7bMesquitaRaquelCiência IDhttps://www.ciencia-id.ptEB1D-DEE3-0B60ORCIDhttp://orcid.org0000-0001-7745-1860Researcher IDhttps://www.researcherid.comJ-4630-2013Scopus Author IDhttps://www.scopus.com7005556626Scopus Author IDhttps://www.scopus.com7005556626PersonalRangel, António O. S. S.DSpacehttp://dspace.org/items/467be022-fd9c-4549-aa48-48ebcc1098ebDSpacehttp://dspace.org/items/467be022-fd9c-4549-aa48-48ebcc1098ebSantos Silva RangelAntónio OsmaroCiência IDhttps://www.ciencia-id.ptD61D-7CFB-178AORCIDhttp://orcid.org0000-0002-6486-8947Scopus Author IDhttps://www.scopus.com7004827387HostingInstitutionOrganizationalVeritatie-mailmailto:repositorio@ucp.ptrepositorio@ucp.ptDOIIsPartOf10.1590/S0103-505320080006000182010-10-11T10:52:40Z20082008-01-01T00:00:00ZHandlehttp://hdl.handle.net/10400.14/2772http://purl.org/coar/access_right/c_abf2open accessSequential injectionSpectrophotometryAluminiumWaterskinetic determination237476 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal article2008http://creativecommons.org/licenses/by-nc/4.0/http://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://repositorio.ucp.pt/bitstreams/b45960ea-6818-4a8a-a487-cdf1588cbbfe/download
spellingShingle Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
Mesquita, Raquel B. R.
Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
status SINGLETON
subject.fl_str_mv Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
title Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
title_full Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
title_fullStr Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
title_full_unstemmed Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
title_short Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
title_sort Development of sequential injection methodologies for the spectrophotometric direct and kinetic determination of aluminium in natural and waste waters
topic Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
topic_facet Sequential injection
Spectrophotometry
Aluminium
Waters
kinetic determination
url http://hdl.handle.net/10400.14/2772
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