The N-methylpyrrolidone–(C1–C10) alkan-1-ols solvent systems

Literature Information

Publication Date 2002-02-27
DOI 10.1039/B109709C
Impact Factor 3.676
Authors

Begoña García, Rafael Alcalde, Santiago Aparicio, José M. Leal


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Abstract

Densities, viscosities and refractive indices of the N-methylpyrrolidone + alkan-1-ols (C1–C10) binary systems at 298.15 K and atmospheric pressure have been measured over the whole composition range; from these measurements the values for excess molar volumes, mixing viscosities, internal pressures, and excess Gibbs energies of activation for viscous flow were calculated. The molecular interactions in these mixtures can be interpreted on the basis of the variation of the excess and mixing functions with the mixture composition. The cubic equations of state proposed by Soave and Peng–Robinson were used to process the data on excess molar volumes and partial molar volumes using two different mixing rules. Several semiempirical methods for predicting viscosities of liquid mixtures were applied with good results; the ability of the models proposed by Cao (GC-UNIMOD) and Wu to predict viscosity data was also tested.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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