Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/82493
Type: Artigo de periódico
Title: Modeling kinetic spectrophotometric data of aminophenol isomers by PARAFAC2
Author: Cueva, JMD
Rossi, AV
Poppi, RJ
Abstract: This paper describes an application of PARAFAC2 in the modeling of kinetic-spectrophotometric data. The data were obtained by spectrophotometric monitoring of the reaction between aminophenol isomers and NaNO2 in acid solution. The data set of various samples produces a three way data array. This reaction has the property that isomers in different proportions produce different kinetic profiles. Due this property, PARAFAC2 is suitable to model the system because it does not assume parallel proportional kinetic profiles. The results with PARAFAC2 were satisfactory, it being possible to recover the spectral and kinetic profiles, as well as the initial isomer concentrations with good accuracy. (C) 2001 Elsevier Science B.V. All rights reserved.
Subject: multi-way
PARAFAC2
kinetic spectrophotometric analysis
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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