Method for measuring vapor pressure

Details Method for measuring vapor pressure Method for measuring vapor pressure

1981-03-20

1983-01-04

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

G01N 3108

Patent

active

043667104

ABSTRACT:
Determining saturation vapor pressure of a hydrocarbon mixture by chromatographic analysis of the mixture, recording n-paraffin positions on said analysis establishing n-paraffin bisectors halfway between n-paraffin positions, determining the number of moles of compounds represented between n-paraffin bisectors by assigning the C-number of the n-paraffin between bisectors to all compounds between bisectors, determining the mole fraction of compounds between each pair of n-paraffin bisectors, determining the partial pressure of the compounds between n-paraffin bisectors by assigning to that mole fraction the saturation vapor pressure of the n-paraffin, and adding all partial pressures thus obtained.

REFERENCES:
patent: 3527926 (1970-09-01), Holy
patent: 3550428 (1970-12-01), Mator et al.

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