O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry
<abstract language="eng">This work illustrates the modeling procedure for a solvent mixture using the simplex- centroid approach. The selected experiment was the optimization of the peak current observed in the direct determination of nickel by anodic stripping voltammetry (ASV) in a...
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Format: | Article |
Language: | English |
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Sociedade Brasileira de Química
2005-12-01
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Series: | Química Nova |
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Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000600029 |
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author | Aline Renée Coscione João Carlos de Andrade Gyda Marie May |
author_facet | Aline Renée Coscione João Carlos de Andrade Gyda Marie May |
author_sort | Aline Renée Coscione |
collection | DOAJ |
description | <abstract language="eng">This work illustrates the modeling procedure for a solvent mixture using the simplex- centroid approach. The selected experiment was the optimization of the peak current observed in the direct determination of nickel by anodic stripping voltammetry (ASV) in a solvent mixture composed of N,N-dimethylformamide, ethanol and water. The text is presented in a tutorial way, showing in detail the several steps which must be followed in such a process. Since not all possible mixtures lead to a measurable instrumental response, pseudocomponents had to be used to rescale the experimental design. This also allows to show how to apply this tool, usually troublesome for non-specialists in mixture modeling procedures. |
first_indexed | 2024-12-11T14:14:23Z |
format | Article |
id | doaj.art-300850cfb8744a4a966c5ece74c626ff |
institution | Directory Open Access Journal |
issn | 0100-4042 1678-7064 |
language | English |
last_indexed | 2024-12-11T14:14:23Z |
publishDate | 2005-12-01 |
publisher | Sociedade Brasileira de Química |
record_format | Article |
series | Química Nova |
spelling | doaj.art-300850cfb8744a4a966c5ece74c626ff2022-12-22T01:03:16ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642005-12-012861116112210.1590/S0100-40422005000600029O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetryAline Renée CoscioneJoão Carlos de AndradeGyda Marie May<abstract language="eng">This work illustrates the modeling procedure for a solvent mixture using the simplex- centroid approach. The selected experiment was the optimization of the peak current observed in the direct determination of nickel by anodic stripping voltammetry (ASV) in a solvent mixture composed of N,N-dimethylformamide, ethanol and water. The text is presented in a tutorial way, showing in detail the several steps which must be followed in such a process. Since not all possible mixtures lead to a measurable instrumental response, pseudocomponents had to be used to rescale the experimental design. This also allows to show how to apply this tool, usually troublesome for non-specialists in mixture modeling procedures.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000600029experimental design of mixturesvoltammetrynickel |
spellingShingle | Aline Renée Coscione João Carlos de Andrade Gyda Marie May O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry Química Nova experimental design of mixtures voltammetry nickel |
title | O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry |
title_full | O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry |
title_fullStr | O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry |
title_full_unstemmed | O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry |
title_short | O modelamento estatístico de misturas: experimento tutorial usando voltametria de redissolução anódica Statistical modeling of mixtures: a tutorial experiment using anodic stripping voltammetry |
title_sort | o modelamento estatistico de misturas experimento tutorial usando voltametria de redissolucao anodica statistical modeling of mixtures a tutorial experiment using anodic stripping voltammetry |
topic | experimental design of mixtures voltammetry nickel |
url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422005000600029 |
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