Process and apparatus for measurement of diffusible hydrogen

Details Process and apparatus for measurement of diffusible hydrogen Process and apparatus for measurement of diffusible hydrogen

1978-03-03

1980-03-11

Kreitman, Stephen A.

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01N 714

Patent

active

041921755

ABSTRACT:
The invention is a process and apparatus for measurement of diffusible hydrogen within a metal, in which a metal sample is placed within an enclosed collector vessel for a predetermined time and at a predetermined temperature, and the total resultant effused gases within the collector vessel are fed to a gas chromatograph.

REFERENCES:
patent: 2991684 (1961-07-01), Wever et al.
patent: 3176500 (1965-04-01), Coe
patent: 3251217 (1966-05-01), Evens et al.
patent: 3427863 (1969-02-01), Schultz
patent: 3498105 (1970-03-01), Hetherington
patent: 3949590 (1976-04-01), Boillot
Feichtinger et al., "A Contribution to Behavior and Determination of Hydrogen During and After Welding", and WRI File, Welding Research International, vol. 6, No. 3, pp. 1-10, 1976.
Hargrove et al., "Determination of Nitrogen and Hydrogen at Parts-Per-Million Levels in Steel", Analytical Chemistry, vol. 43, No. 3, pp. 439-442, Mar. 1971.

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