Method for analyzing the latent gas content of metal samples

Details Method for analyzing the latent gas content of metal samples Method for analyzing the latent gas content of metal samples

1976-06-29

1978-07-04

Queisser, Richard C.

Chemistry: physical processes

Physical processes

Crystallization

23253PC, 73 19, G01N 3110, G01N 3112

Patent

active

040985768

ABSTRACT:
A method for analyzing the latent gas content of metal samples, particularly the oxygen content of solidified samples of molten steel, which includes charging a crucible in a heat extraction furnace with a metal test specimen and sufficient metallic germanium to cause wetting of the specimen upon heating and disassociation of metallic oxides (or other metallic compounds including latent gaseous constituents) in the test specimen such that gases evolve and are quantitatively measured in conventional apparatus. When a test specimen is analyzed for oxygen content the evolved gas will be principally carbon dioxide, which is usually measured in a gas chromatograph.

REFERENCES:
patent: 3681972 (1972-08-01), Mahanty et al.
patent: 3820380 (1974-06-01), Miller et al.
Ichinose, Y.; "A Metallurgical Study of the Production of Fe-Ni Alloys" Chemical Abstracts, vol. 67, No. 6 p. 2315, 8-7-1967.
"Leco Ro-16 Automatic Oxygen Determinator," Laboratory Equip. Corp., pp. 1-3, 7-6-70.

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