Sur Quelques Corrections Essentielles dans les Analyses de gaz. (Suite)

Leendertse, Jan J.; Schefferxs, F. E. C.

doi:10.1002/recl.19400590102

Recl. Trav. Chim. Pays‐Bas

1940

DOI: 10.1002/recl.19400590102

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Sur Quelques Corrections Essentielles dans les Analyses de gaz. (Suite)

Jan J. Leendertse

F. E. C. Schefferxs

Abstract: Les @carts des hydrocarbures gazeux aux lois des gaz parfaits necessitent l'application de dcux corrections dans les analyses a volume constant.

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1950

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The ethene‐water system

Diepen¹,

Scheffer²

1950

Recl. Trav. Chim. Pays‐Bas

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T h e p t relations of the three-phase equilibria in the system ettienewater were determined from -15 to +20" C a t pressures from 0 to 60 atmospheres. A dissociating compound. ethene hydrate, occurs, which is stable above the critical point of ethene and whose compositior. was determined by an indirect thermodynamic method and found I:O be C,H, .7 H,O.T h e system exhibits metastable immiscibility. T h e corresponding metastable three-phase equilibrium was measured from 0 to 9.7" C.In the ethene-water system a compound, ethene hydrate. occurs which is stable as a solid substance up to above the critical temperature of ethene. Villard 1) determined the dissociation tensions of this hydrate: these are the equilibria hydrate-liquid rich in water-gas, at temperatures from 0 to 17' C. over which range the pressure increases rapidly from 5.5 to 44.8 atm. This leads one to expect that the system will possess metastable immiscibility in the liquid state. In order to ascertain this we determined experimentally various equilibria of the system with the help of the Cailletet apparatus. These determinations were performed as accurately as possible because the course of the three-phase lines at the quadruple point SrSi,,,--L,-G also opens the possibility of determining the composition of the ethene hydrate. In this investigation it was found that this system must indeed be considered one of those with metastable immiscibility. W e were even able to determine the metastable L,-L--,G equilibria at ' a series of temperatures.In table I are given the values of pressure and temperature for the equilibria L-G of pure ethene, for SH-L,-G

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The ethene‐water system

Diepen¹,

Scheffer²

1950

Recl. Trav. Chim. Pays‐Bas

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show abstract

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Sur Quelques Corrections Essentielles dans les Analyses de gaz. (Suite)

Abstract: Les @carts des hydrocarbures gazeux aux lois des gaz parfaits necessitent l'application de dcux corrections dans les analyses a volume constant.

Cited by 1 publication

References 4 publications

The ethene‐water system

The ethene‐water system

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