An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen
By: by Nabil A. Bibawy and David E. Emerson.
Contributors: Emerson, David E.
Series: Report of investigations (United States. Bureau of Mines) -- 9312.
Publisher: Dept. of the Interior
Published: 1990
Place of publication: Washington, DC
Language: eng
Subjects: Gases.; Mixing.; Helium.; Nitrogen.
Notes:  90002297 // t_oclc

Bibliogr.

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