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Vapor-Liquid Equilibria Data for a Helium-Nitrogen-Methane Mixture from 80 to 144 K and Pressures to 1,200 Psia.


PB261444

Publication Date 1976
Personal Author Tully, P. C.; Stroud, L.
Page Count 20
Abstract This report contains experimentally determined vapor-liquid equilibria data for a helium-nitrogen-methane mixture with a nominal composition of 15, 60, and 25 mole percent, respectively. Measurements of the equilibrium phase compositions were obtained by means of a windowed cell, in conjunction with an automated chromatograph and a special analyzer for low helium concentrations. The data presented include a comprehensive table and eight graphs depicting phase compositions, vaporization ratios, and correlations with a previous study of two helium-nitrogen-methane mixtures of different compositions.
Keywords
  • Helium
  • Nitrogen
  • Methane
  • Chemical equilibrium
  • Vapor phase
  • Liquid phase
  • Chemical composition
  • Phase diagrams
  • Phase transformations
  • Graphic methods
  • Tables(Data)
  • Mixtures
  • Procedures
Source Agency
  • Bureau of Mines
NTIS Subject Category
  • 99F - Physical & Theoretical Chemistry
Corporate Authors Bureau of Mines, Amarillo, Tex. Helium Operations.
Document Type Technical Report
Title Note Final rept.
NTIS Issue Number 197706
Vapor-Liquid Equilibria Data for a Helium-Nitrogen-Methane Mixture from 80 to 144 K and Pressures to 1,200 Psia.
Vapor-Liquid Equilibria Data for a Helium-Nitrogen-Methane Mixture from 80 to 144 K and Pressures to 1,200 Psia.
PB261444

  • Helium
  • Nitrogen
  • Methane
  • Chemical equilibrium
  • Vapor phase
  • Liquid phase
  • Chemical composition
  • Phase diagrams
  • Phase transformations
  • Graphic methods
  • Tables(Data)
  • Mixtures
  • Procedures
  • Bureau of Mines
  • 99F - Physical & Theoretical Chemistry
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