Determinação em fluxo do carbonatoresidual do solo empregando pervaporação

Detalhes bibliográficos
Autor(a) principal: Grassi,Viviane
Data de Publicação: 2002
Outros Autores: Miyazawa,Mario, Pavan,Marcos A., Kamogawa,Marcos Y.
Tipo de documento: Artigo
Idioma: por
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000100023
Resumo: The objective of this study was to develop a method for the direct determination of residual CO3(2-) in acid soil using a flow system coupled with pervaporation. The gas released from the acidified sample was separated though a hydrophobic membrane and detected by conductivimetry. The detection limit was 0.054 mmol c kg-1 for CO2/CO3(2-) with relative error of 3.1%. The analytical frequency was 20 samples per hour. The method is recommended for studying the reactions and kinetics of lime applied in acid soils.
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spelling Determinação em fluxo do carbonatoresidual do solo empregando pervaporaçãolimeacid soilconductivimetryThe objective of this study was to develop a method for the direct determination of residual CO3(2-) in acid soil using a flow system coupled with pervaporation. The gas released from the acidified sample was separated though a hydrophobic membrane and detected by conductivimetry. The detection limit was 0.054 mmol c kg-1 for CO2/CO3(2-) with relative error of 3.1%. The analytical frequency was 20 samples per hour. The method is recommended for studying the reactions and kinetics of lime applied in acid soils.Sociedade Brasileira de Química2002-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000100023Química Nova v.25 n.1 2002reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422002000100023info:eu-repo/semantics/openAccessGrassi,VivianeMiyazawa,MarioPavan,Marcos A.Kamogawa,Marcos Y.por2002-07-31T00:00:00Zoai:scielo:S0100-40422002000100023Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2002-07-31T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
title Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
spellingShingle Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
Grassi,Viviane
lime
acid soil
conductivimetry
title_short Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
title_full Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
title_fullStr Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
title_full_unstemmed Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
title_sort Determinação em fluxo do carbonatoresidual do solo empregando pervaporação
author Grassi,Viviane
author_facet Grassi,Viviane
Miyazawa,Mario
Pavan,Marcos A.
Kamogawa,Marcos Y.
author_role author
author2 Miyazawa,Mario
Pavan,Marcos A.
Kamogawa,Marcos Y.
author2_role author
author
author
dc.contributor.author.fl_str_mv Grassi,Viviane
Miyazawa,Mario
Pavan,Marcos A.
Kamogawa,Marcos Y.
dc.subject.por.fl_str_mv lime
acid soil
conductivimetry
topic lime
acid soil
conductivimetry
description The objective of this study was to develop a method for the direct determination of residual CO3(2-) in acid soil using a flow system coupled with pervaporation. The gas released from the acidified sample was separated though a hydrophobic membrane and detected by conductivimetry. The detection limit was 0.054 mmol c kg-1 for CO2/CO3(2-) with relative error of 3.1%. The analytical frequency was 20 samples per hour. The method is recommended for studying the reactions and kinetics of lime applied in acid soils.
publishDate 2002
dc.date.none.fl_str_mv 2002-02-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000100023
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000100023
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv 10.1590/S0100-40422002000100023
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.25 n.1 2002
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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