Apparatus for measuring vapor pressure

Details Apparatus for measuring vapor pressure Apparatus for measuring vapor pressure

1990-03-09

1991-03-19

Williams, Hezron E.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Vapor pressure

73 29030, G01N 714

Patent

active

050000357

ABSTRACT:
Apparatus for measuring the vapor pressure of a volatile liquid includes one or more cylindrical test chambers immersed in a constant temperature water bath. Each test chamber includes connected liquid and vapor compartments, with the vapor compartment coupled to a pressure transducer and display arrangement. The test chambers are mounted to a movable tray in the constant temperature water bath. An eccentric drive assembly driven by the combination of a motor and gear box is coupled to the tray for linearly displacing the tray and test chambers in a reciprocating manner until a constant pressure is observed on the pressure display.

REFERENCES:
patent: 4543819 (1985-10-01), Chin et al.
Herzog Reid, Semi-Automatic Vapor Pressure Apparatus brochure, unknown date of publication.
Standard Test Method for Vapor Pressure of Petroleum Products, (Reid Method), published Oct., 1982.

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