Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Vapor pressure
Patent
1983-08-26
1985-06-11
Levy, Stewart J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Vapor pressure
G01N 716
Patent
active
045220565
ABSTRACT:
A method and apparatus for measuring Reid Vapor Pressure, as defined in the ASTM D-323 procedure, of liquid hydrocarbon materials wherein a sample of material is drawn from a sample can into a sample chamber containing a bellows and then to a measuring chamber. An expansion chamber, containing a bellows, connects with a measuring chamber for adjusting the amount of air within the measuring chamber and for setting the pressure within the measuring chamber before introduction of the sample so that RVP measurement occurs at the appropriate pressure.
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Alston Arthur
Chin Thomas G.
Chevron Research Company
Gruber Lewis S.
Keeling Edward J.
Levy Stewart J.
Roskos Joseph W.
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