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Measurement of the densities of liquefied hydrocarbons from 93 to 173 K

✍ Scribed by C.R. McClune

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
670 KB
Volume
16
Category
Article
ISSN
0011-2275

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✦ Synopsis

The use of the silica plummet technique to measure accurately the density of pure liquefied methane, ethane, propane, n-and iso-butane, and n-and iso-pentane in the temperature range 93 to 173 K (-180Β°C to -100Β°C) is described in some detail. A cubic equation is fitted to the density results and graphical comparisons are shown between these results and those from other sources. In general excellent agreement is obtained and there is a high degree of confidence that this method is capable of measuring liquid densities to within + O. 1% accuracy in the temperature range 93 to 173 K.

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✍ T. Ichihara; M. Uematsu πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 192 KB

Density measurements at given temperatures and pressures in the compressed liquid phase for ammonia were carried out with a metal-bellows variable volumometer along four isotherms between \(310 \mathrm{~K}\) and \(360 \mathrm{~K}\) at pressures from the vapor pressure to \(200 \mathrm{MPa}\). The re