Document details
Volumetric and refractive index study of the ternary mixture methanol/formamide/acetonitrile at 298.15 K(Article)
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- aCentro de Química e Bioquímica (CQB), Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, Lisboa, 1749-016, Portugal
- bÁrea Departamental de Engenharia Química, Instituto Superior de Engenharia de Lisboa (ISEL), Instituto Politécnico de Lisboa, R. Conselheiro Emídio Navarro, 1, Lisboa, 1959-007, Portugal
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Abstract
The ternary mixture methanol (MeOH)/formamide (Form)/acetonitrile (MeCN) was studied by means of refractive index and density measurements. Data for a total of 22 ternary mole fractions, and 19 binary mole fractions for each formamide containing mixture, as well as values from the previously studied methanol/acetonitrile mixture were obtained and evaluated. Excess properties were computed and modeled by polynomial equations, namely Redlich-Kister for binary fractions and Cibulka for ternary mixtures. Partial molar volumes were likewise calculated and together with previously published values allowed the interpretation of structural effects associated with molecular interactions. © 2017 Elsevier B.V.
Indexed keywords
| Engineering controlled terms: | AcetonitrileAmidesBinary mixturesBinsDensity (specific gravity)DyesMethanolMixturesPolynomialsVolume measurement |
|---|---|
| Engineering uncontrolled terms | Binary fractionExcess propertiesFormamidesPartial Molar volumePolynomial equationRedlich-KisterStructural effectTernary mixtures |
| Engineering main heading: | Refractive index |
Funding details
| Funding sponsor | Funding number | Acronym |
|---|---|---|
| Fundação para a Ciência e a Tecnologia See opportunities | PEST UID/MULTI/00612/2013 |
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1
The authors acknowledge the financial support from Funda??o para a Ci?ncia e a Tecnologia (FCT), Portugal, through PEST UID/MULTI/00612/2013.
- ISSN: 01677322
- CODEN: JMLID
- Source Type: Journal
- Original language: English
- DOI: 10.1016/j.molliq.2017.03.097
- Document Type: Article
- Publisher: Elsevier B.V.
Martins, F.; Centro de Química e Bioquímica (CQB), Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, Lisboa, Portugal;
© Copyright 2017 Elsevier B.V., All rights reserved.
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