Title
Critical properties of n-alkanes and the relevance of polymer models to the heavy fluid metals Rb and Cs
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
London ,
Subject
Physics
Chemistry
Source (journal)
Physics and chemistry of liquids. - London
Volume/pages
40(2002) :2 , p. 143-157
ISSN
0031-9104
ISI
000176331100003
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
n-alkane critical constants as determined experimentally for n less than or equal to 18 are first compared and contrasted with the predictions of various models. Qualitative accord is found, but only one quantitative prediction, that of Wertheim's model for the critical temperature T-c, is found to fit the experimental data over the admittedly limited range of n available. Reference is then made to critical properties of the heavy fluid alkali metals, and especially Rb and Cs, where some evidence is cited for the existence of long chains of alkali atoms. The relative constancy of the product of the critical pressure P-c, and the critical volume V-c, for the three heaviest alkalis is noted, a fact consistent with one of the more recent 'polymer' models.
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