Gas pressure comparison pycnometer

Gas pressure comparison pycnometer

A gas comparison pycnometer is disclosed which provides a method and apparatus for determining and checking the accuracy of the volume of a solid substice. The pycnometer is also outfitted with a unique cap assembly (15) which fixes the volume in the pycnometer's sample chamber (20) from run to...

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Hauptverfasser: GIBSON, KATHRYN HILL, HENDRIX, WARREN P, CAMP, RONNIE W, ORR, CLYDE, JR
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator GIBSON, KATHRYN HILL
HENDRIX, WARREN P
CAMP, RONNIE W
ORR, CLYDE, JR
description A gas comparison pycnometer is disclosed which provides a method and apparatus for determining and checking the accuracy of the volume of a solid substice. The pycnometer is also outfitted with a unique cap assembly (15) which fixes the volume in the pycnometer's sample chamber (20) from run to run, and a flow limiting system (33, 35) to prevent entrainment of fine sample particles in the gas stream without prolonging the analysis. The pycnometer also employs a series of purges with a suitable gas to carry unwanted moisture and vapors out of the system. This pycnometer solves many problems in the prior art by quickly and accurately determining the volume of a solid substance.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title Gas pressure comparison pycnometer
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