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Campo DC | Valor | Idioma |
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dc.contributor.author | Reis, Cesar | |
dc.contributor.author | Bruns, Roy E. | |
dc.contributor.author | Andrade, João Carlos de | |
dc.contributor.author | Nakai, Debora | |
dc.date.accessioned | 2019-02-28T17:34:27Z | |
dc.date.available | 2019-02-28T17:34:27Z | |
dc.date.issued | 1996-06 | |
dc.identifier.issn | 0169-7439 | |
dc.identifier.uri | https://doi.org/10.1016/0169-7439(96)00002-0 | |
dc.identifier.uri | http://www.locus.ufv.br/handle/123456789/23757 | |
dc.description.abstract | Complexations of FeIII and CoII ions with thiocyanate in water-acetone-ethanol ternary mixtures are investigated using multivariate statistical techniques. Simplex lattice and hexagonal mixture designs lead to model equations resulting in similar conclusions. The FeII thiocyanate complex exhibits a very simple dependence (quadratic) on the ternary mixture composition. On the other hand this dependence is much more complex for the CoII thiocyanate complex since even a full cubic mixture model shows a significant lack of fit at the 95% confidence level. These results indicate that the different possible symmetries of the CoII complexes are more sensitive to the ternary mixture composition than are the multistep FeIII complex equilibria. | en |
dc.format | pt-BR | |
dc.language.iso | eng | pt-BR |
dc.publisher | Chemometrics and Intelligent Laboratory Systems | pt-BR |
dc.relation.ispartofseries | Volume 33, Issue 2, Pages 159-166, June 1996 | pt-BR |
dc.rights | Elsevier B. V. | pt-BR |
dc.subject | Mixture design | pt-BR |
dc.subject | Thiocyanate complexes | pt-BR |
dc.subject | Statistical modeling | pt-BR |
dc.title | Is statistical lack of fit a reliable criterion for chemical complexity? | en |
dc.type | Artigo | pt-BR |
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artigo.pdf Until 2100-12-31 | Texto completo | 702,92 kB | Adobe PDF | Visualizar/Abrir ACESSO RESTRITO |
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