Liquid-Liquid Equilibrium and Excess Enthalpies in the Binary System 2-Methylpentane + N,N-Dimethylformamide
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F04%3A00010993" target="_blank" >RIV/60461373:22340/04:00010993 - isvavai.cz</a>
Alternative codes found
RIV/67985858:_____/04:00104868
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Liquid-Liquid Equilibrium and Excess Enthalpies in the Binary System 2-Methylpentane + N,N-Dimethylformamide
Original language description
Liquid-liquid equilibrium and excess enthalpies were measured for the binary system 2-methylpentane + N,N-dimethylformamide. Equilibrium data were obtained at different temperatures by the direct analytical and volume methods; points of the binodal curvein the vicinity of the upper critical solution temperature of this system were acquired by means of the cloud-point method. Excess enthalpies were measured at 298.15 K and 313.15 K. Binary data were correlated by the modified Wilson equation. To estimate the critical composition and the upper critical solution temperature, the liquid phase behavior data were also described by the extended scaling-law. The liquid-liquid equilibrium and excess enthalpies in the binary system were predicted by the modified UNIFAC (Dortmund) model so that the prediction could be compared to the experimentally achieved data.
Czech name
Rovnováha kapalina-kapalina a dodatkové entalpie v binárním systému 2-methylpentan + N,N-dimethylformamid
Czech description
Rovnováha kapalina-kapalina a dodatková entalpie byla měřena v binárním systému 2-methylpentan + N,N-dimethylformamid. Rovnovážná data byla získána při několika teplotách přímou analytickou metodou a objemovou metodou. Zákalovou metodou byly určovány body binodální křivky v okolí kritického bodu. Dodatková entalpie byla měřena při teplotách 298,15 K a 313,15 K. Pro odhad kritického složení a horní rozpouštěcí teploty byla data rovnováhy kapalina-kapalina vyhlazena pomocí rozšířeného "scaling-law" zákona. Rovnováha kapalina-kapalina a dodatková entalpie byla také odhadnuta pomocí modelu UNIFAC a odhadovaná data byla konfrontována s daty experimentálními.
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2004
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Chemical Engineering Data
ISSN
0021-9568
e-ISSN
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Volume of the periodical
49
Issue of the periodical within the volume
5
Country of publishing house
US - UNITED STATES
Number of pages
5
Pages from-to
1318-1322
UT code for WoS article
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EID of the result in the Scopus database
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