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: Bureau of Mines report of investigations ;; 9312; Report of investigations (United States. Bureau of Mines) ;; 9312.
Publisher: United States Dept. of the Interior, Bureau of Mines
Published: 1990
Place of publication: Washington, DC
Language: eng
Subjects: Gases.; Mixing.; Helium.; Nitrogen.
Notes: Includes bibliographical references (p. 7).