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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.molliq.2018.12.123
|2 doi
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|a pubmed25n1064.xml
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|a (NLM)33364669
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|a eng
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|a Outcalt, Stephanie L
|e verfasserin
|4 aut
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|a Compressed-liquid Densities of the Binary Mixture Dimethyl Carbonate + Heptane at Three Compositions
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 30.03.2024
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Compressed-liquid densities of the binary system dimethyl carbonate + heptane have been measured with a vibrating-tube densimeter over the temperature and pressure ranges of 270 K to 470 K, and 1 MPa to 50 MPa at three compositions of the mixture. The measurements are part of an effort to better understand the molecular interactions of polar/non-polar mixtures. These types of mixtures often exhibit very non-ideal behavior. By measuring the mixture at three compositions and over a large range of temperature and pressure, the non-ideality can be assessed. There are no high-pressure liquid density data for this binary system in the literature, thus data reported here could only be compared to literature data at atmospheric pressure to establish their quality. The majority of literature data agree well with the presented results which have a maximum expanded uncertainty of 1.63 kg·m-3 (for the composition with the greatest mole fraction of dimethyl carbonate). The non-ideality for the mixture, in the temperature, pressure and composition range of this study was found to be minimal. This is rationalized by considering the molecular sizes, shapes, and charge distributions of the pure components and the attractive parts of their intermolecular force fields as they are reflected in the temperature ranges of their vapor pressure curves
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|a Journal Article
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|a Binary mixture
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|a Compressed liquid
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|a Density
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|a Dimethyl Carbonate
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|a Equation of State
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|a Heptane
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|a Vibrating-tube densimeter
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1 |
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|a Laesecke, Arno
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of molecular liquids
|d 1998
|g 279(2019) vom: 06. Dez.
|w (DE-627)NLM098180800
|x 0167-7322
|7 nnas
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| 773 |
1 |
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|g volume:279
|g year:2019
|g day:06
|g month:12
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|u http://dx.doi.org/10.1016/j.molliq.2018.12.123
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