ISSN:
1572-9567
Schlagwort(e):
density
;
high pressure
;
internal pressure
;
isobaric thermal expansion coefficients
;
isothermal compressibilities
;
liquid
;
polyethylene glycol dimethylethers
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Physik
Notizen:
Abstract In this paper we present a new experimental apparatus designed to measure pressure–density–temperature (pρT ) properties with a high-pressure vibrating tube densimeter. Data reliability has been verified by comparing our experimental results for methanol, n-heptane, toluene, and HFC-134a with literature data. In this work we also report new experimental densities from 278.15 to 328.15 K, and up to 12 MPa, of triethylene glycol dimethylether (TrEGDME) and tetraethylene glycol dimethylether (TEGDME). The isobaric thermal expansion coefficients, isothermal compressibility, and internal pressure have been calculated. The dependence of these properties on the length of polyethylene glycol dimethylether, CH3O–((CH2)2O) n –CH3, is analyzed.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1023/A:1006606122944
Permalink
