Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure

Detalhes bibliográficos
Autor(a) principal: Catarino, S.
Data de Publicação: 2010
Outros Autores: Trancoso, I.M., Sousa, Raul Bruno de, Curvelo-Garcia, A.S.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/3560
Resumo: Analytical Note
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spelling Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedureDesenvolvimento de um procedimento de mineralização de mosto para análise elementar por digestão por microondasgrape mustwinemineralizationhigh pressure microwave digestionHPMWtrace element analysisAnalytical NoteThe present work describes the development and validation of a high pressure microwave-assisted mineralization procedure for the determination of metals in grape must by spectrometric techniques. Metals of special oenological and food safety importance (Al, Co, Cu, Cd, Pb) were used as model elements to achieve the optimum working conditions. The study was conducted by monitoring their concentration in experimental samples by ETAAS. Different combinations of HNO3 and H2O2 were tested and an optimal volume of 1 mL of each reagent, added to 2 mL of sample, was selected for further studies. In comparison with experimental conditions described in literature for the mineralization of grape must and wine by HPMW, the proposed procedure requires very low reagent consumption. Time and temperature were regarded as factors in the optimization study of microwave oven program, resulting in 72 minutes of extension including ventilation. The procedure trueness and precision were evaluated using grape must and wine samples. For each element three different levels of addition were performed. The recovery range was from 94% (Co) to 113% (Pb) in grape must and from 96% (Cu) to 128% (Al) in wine. Relative standard deviations ranged from 1% (Cd) to 11% (Al) in grape must and from 2% (Cd, Pb) to 9% (Co) in wine (n = 10). The proposed procedure is suitable for grape must and wine mineralization with a view to trace element analysis.Estação Vitivinicola NacionalRepositório da Universidade de LisboaCatarino, S.Trancoso, I.M.Sousa, Raul Bruno deCurvelo-Garcia, A.S.2011-10-17T14:47:24Z20102010-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/3560eng"Ciência e Técnica Vitivinicola". ISSN 0254-0223. 25:2 (2010) 87-930254-0223info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-03-06T14:34:40Zoai:www.repository.utl.pt:10400.5/3560Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:51:24.266203Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
Desenvolvimento de um procedimento de mineralização de mosto para análise elementar por digestão por microondas
title Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
spellingShingle Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
Catarino, S.
grape must
wine
mineralization
high pressure microwave digestion
HPMW
trace element analysis
title_short Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
title_full Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
title_fullStr Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
title_full_unstemmed Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
title_sort Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
author Catarino, S.
author_facet Catarino, S.
Trancoso, I.M.
Sousa, Raul Bruno de
Curvelo-Garcia, A.S.
author_role author
author2 Trancoso, I.M.
Sousa, Raul Bruno de
Curvelo-Garcia, A.S.
author2_role author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Catarino, S.
Trancoso, I.M.
Sousa, Raul Bruno de
Curvelo-Garcia, A.S.
dc.subject.por.fl_str_mv grape must
wine
mineralization
high pressure microwave digestion
HPMW
trace element analysis
topic grape must
wine
mineralization
high pressure microwave digestion
HPMW
trace element analysis
description Analytical Note
publishDate 2010
dc.date.none.fl_str_mv 2010
2010-01-01T00:00:00Z
2011-10-17T14:47:24Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.5/3560
url http://hdl.handle.net/10400.5/3560
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv "Ciência e Técnica Vitivinicola". ISSN 0254-0223. 25:2 (2010) 87-93
0254-0223
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Estação Vitivinicola Nacional
publisher.none.fl_str_mv Estação Vitivinicola Nacional
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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