Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Química Nova (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000400041 |
Resumo: | Traditionally, in the cigarettes industry, the determination of ammonium ion in the mainstream smoke is performed by ion chromatography. This work studies this determination and compares the results of this technique with the use of external and internal standard calibration. A reference cigarette sample presented measurement uncertainty of 2.0 μg/cigarette and 1.5 μg/cigarette, with external and internal standard, respectively. It is observed that the greatest source of uncertainty is the bias correction factor and that it is even more significant when using external standard, confirming thus the importance of internal standardization for this correction. |
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Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysisinternal and external standard calibrationmeasurement uncertaintybias correction factorTraditionally, in the cigarettes industry, the determination of ammonium ion in the mainstream smoke is performed by ion chromatography. This work studies this determination and compares the results of this technique with the use of external and internal standard calibration. A reference cigarette sample presented measurement uncertainty of 2.0 μg/cigarette and 1.5 μg/cigarette, with external and internal standard, respectively. It is observed that the greatest source of uncertainty is the bias correction factor and that it is even more significant when using external standard, confirming thus the importance of internal standardization for this correction.Sociedade Brasileira de Química2010-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000400041Química Nova v.33 n.4 2010reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422010000400041info:eu-repo/semantics/openAccessOliveira,Elcio Cruz deMuller,Edson I.Abad,FernandaDallarosa,JulianaAdriano,Cristineeng2010-06-02T00:00:00Zoai:scielo:S0100-40422010000400041Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2010-06-02T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
title |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
spellingShingle |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis Oliveira,Elcio Cruz de internal and external standard calibration measurement uncertainty bias correction factor |
title_short |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
title_full |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
title_fullStr |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
title_full_unstemmed |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
title_sort |
Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis |
author |
Oliveira,Elcio Cruz de |
author_facet |
Oliveira,Elcio Cruz de Muller,Edson I. Abad,Fernanda Dallarosa,Juliana Adriano,Cristine |
author_role |
author |
author2 |
Muller,Edson I. Abad,Fernanda Dallarosa,Juliana Adriano,Cristine |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Oliveira,Elcio Cruz de Muller,Edson I. Abad,Fernanda Dallarosa,Juliana Adriano,Cristine |
dc.subject.por.fl_str_mv |
internal and external standard calibration measurement uncertainty bias correction factor |
topic |
internal and external standard calibration measurement uncertainty bias correction factor |
description |
Traditionally, in the cigarettes industry, the determination of ammonium ion in the mainstream smoke is performed by ion chromatography. This work studies this determination and compares the results of this technique with the use of external and internal standard calibration. A reference cigarette sample presented measurement uncertainty of 2.0 μg/cigarette and 1.5 μg/cigarette, with external and internal standard, respectively. It is observed that the greatest source of uncertainty is the bias correction factor and that it is even more significant when using external standard, confirming thus the importance of internal standardization for this correction. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-01-01 |
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=S0100-40422010000400041 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000400041 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0100-40422010000400041 |
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.33 n.4 2010 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 |
_version_ |
1750318110705975296 |