Method and apparatus for measuring gases in a metal sample

Details Method and apparatus for measuring gases in a metal sample Method and apparatus for measuring gases in a metal sample

1972-08-07

1976-04-13

Queisser, Richard C.

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01N 716

Patent

active

039495906

ABSTRACT:
Method and apparatus for measuring the gas in a metal sample wherein a reference circuit has gas flowed therethrough from a source, a detection circuit including a degassing chamber therein has gas flowed therethrough from the same source, the reference and detection circuits leading to comparison cells of a catharometer and then to a common measuring circuit, and a complementary circuit is connected to the detection circuit with a gas flow therethrough to selectively apply a protective gas curtain to the degassing chamber during introduction and removal of the sample.

REFERENCES:
patent: 2729969 (1956-01-01), Innes
patent: 2861450 (1958-11-01), Ransley
patent: 3159020 (1964-12-01), Donner et al.
patent: 3286530 (1966-11-01), Ayers
patent: 3427863 (1969-02-01), Schultz
patent: 3633616 (1972-01-01), Meshek
Vapor Fractometry (Gas Chromatography), H. H. Hausdorff, The Perkin-Elmer Corp., p. 22, 6-24-58.

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