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(p, ρ, T) measurements on trifluoromethane in the supercritical region at temperatures from 310 K to 350 K

✍ Scribed by M. Kamiya; K. Muroki; M. Uematsu

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
572 KB
Volume
27
Category
Article
ISSN
0021-9614

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✦ Synopsis

p, r, T ) measurements at given temperatures and densities in the supercritical region for trifluoromethane were carried out with a metal-bellows variable volumometer at eleven densities from 400 kg•m -3 to 625 kg•m -3 along seven isotherms between T = 310 K and T = 350 K. The experimental uncertainties of temperature T, density r, and pressure p were estimated to be 8=5 mK=, =0.0010•r =, and =0.0010•p =, respectively. The behaviour of the isothermal compressibility and that of the pressure coefficient at constant temperature on the basis of the present results are illustrated as a function of pressure.

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