Apparatus for determining the carbon dioxide content of a liquid

Details Apparatus for determining the carbon dioxide content of a liquid Apparatus for determining the carbon dioxide content of a liquid

1979-11-13

1981-07-07

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

73 642, G01N 714

Patent

active

042767695

ABSTRACT:
An apparatus for measuring the carbon dioxide content of fluids, especially beer, is described in which there are two pistons disposed on either side of an expansion chamber, the pistons being in cylinders of different displacement volumes, the pistons being displaceable axially together to effect expansion whereby equilibrium between carbon dioxide in gas and in fluid is established thereby permitting, via pressure measurements, a determination of the carbon dioxide content of a fluid sample.

REFERENCES:
patent: 2736190 (1956-02-01), Bockelmann et al.
patent: 3673853 (1972-07-01), Griswold et al.

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