A VARIABLE-VOLUME OPTICAL PRESSURE-VOLUME-TEMPERATURE CELL FOR HIGH-PRESSURE CLOUD POINTS, DENSITIES, AND INFRARED-SPECTRA, APPLICABLE TO SUPERCRITICAL-FLUID SOLUTIONS OF POLYMERS UP TO 2 KBAR

Authors
GREGG CJ STEIN FP MORGAN CK RADOSZ M
Citation
Cj. Gregg et al., A VARIABLE-VOLUME OPTICAL PRESSURE-VOLUME-TEMPERATURE CELL FOR HIGH-PRESSURE CLOUD POINTS, DENSITIES, AND INFRARED-SPECTRA, APPLICABLE TO SUPERCRITICAL-FLUID SOLUTIONS OF POLYMERS UP TO 2 KBAR, Journal of chemical and engineering data, 39(2), 1994, pp. 219-224
Citations number
32
Categorie Soggetti
Engineering, Chemical",Chemistry
Journal title
Journal of chemical and engineering data → ACNP
ISSN journal
00219568
Volume
39
Issue
2
Year of publication
1994
Pages
219 - 224
Database
ISI
SICI code
0021-9568(1994)39:2<219:AVOPCF>2.0.ZU;2-U
Abstract
A new high-pressure variable-volume optical cell equipped with a sapph ire window, a movable piston with a position sensor, and infrared fibe r optic probes is described. The apparatus was tested by measuring the cloud points for the system propylene + poly(ethylenepropylene) at 10 0 and 150-degrees-C, the densities of ethylene and propylene up to 100 0 and 600 bar, respectively, and the midinfrared spectra of hexane at 500 bar.