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Title:Temperature and pressure dependence of volumetric properties for binary mixtures of n-heptane and n-octane
Authors:ID Pečar, Darja (Author)
ID Doleček, Valter (Author)
Files:.pdf Acta_Chimica_Slovenica_2007_Pecar,_Dolecek_Temperature_and_pressure_dependence_of_volumetric_properties_for_binary_mixtures_of_n-heptane.pdf (191,46 KB)
MD5: DCAEB89BE9E87C53F51F4DB83378CA23
 
URL http://acta-arhiv.chem-soc.si/54/54-3-538.pdf
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The densities of n-heptane, n-octane and their binary mixtures were measured at 298.15, 323.15 and 348.15 K and within the pressure range 0.1 to 40 MPa using a vibrating tube densimeter. The reliability of this technique has been verified in our previous works. The partial molar volumes, excess molar volumes, isothermal compressibilities, isobaric thermal expansivities and internal pressures were calculated from the obtained densities. This study presents the dependence of densities, partial molar volumes, excess molar volumes, isothermal compressibilities, isobaric thermal expansivities and internal pressures on composition, temperature and pressure.
Keywords:density measurements, partial molar volume, excess molar volume, isothermal compressibility, isobaric thermal expansivity, internal pressure, n-heptane, n-octane
Publication status:Published
Publication version:Version of Record
Year of publishing:2007
Number of pages:str. 538-544
Numbering:Letn. 54, št. 3
PID:20.500.12556/DKUM-52781 New window
ISSN:1318-0207
UDC:541
ISSN on article:1318-0207
COBISS.SI-ID:11695894 New window
NUK URN:URN:SI:UM:DK:SYYJ4VZG
Publication date in DKUM:10.07.2015
Views:1922
Downloads:152
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Acta Chimica Slovenica
Shortened title:Acta Chim. Slov.
Publisher:Slovensko kemijsko društvo
ISSN:1318-0207
COBISS.SI-ID:14086149 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:10.07.2015

Secondary language

Language:Slovenian
Abstract:S pomočjo gostotomera z nihajočo U-cevko smo izmerili gostote heptana, oktana in njunih binarnih mešanic pri 298,15, 323,15 in 348,15 K ter v območju tlakov od 0,1 do 40 MPa. Zanesljivost te tehnike je bila preverjena v naših prejšnjih delih. Iz dobljenih gostot smo izračunali parcialne molske prostornine, presežne molske prostornine, izotermne stisljivosti, prostorninski razteznostni koeficienti in notranji tlak. Nadalje smo predstavili, kako se gostote, parcialne molske prostornine, presežne molske prostornine, izotermna stisljivost, prostorninski razteznostni koeficient ter notranji tlak spreminjajo s sestavo, temperaturo in tlakom.
Keywords:meritve gostote, parcialne molske prostornine, presežne molske prostornine, izotermična stisljivost, notranji tlak, n-heptan, n-oktan


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