Simple Technique for the Ultrapurification of Helium

  • A. Purer
  • L. Stroud
  • T. O. Meyer
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 10)


Although helium containing no more than 5 to 50 ppm of total impurities is commercially available in quantity, there sometimes is a need for higher purity, particularly in fundamental helium research and for use as a carrier gas in chromatography.


Total Impurity Cryogenic Engineer Helium Impurity Coconut Charcoal Charcoal Trap 
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    C. G. Kirkland, L. W. Brandt, and W. M. Deaton, in Advances in Cryogenic Engineering, Vol. 6, Plenum Press, New York (1961), p. 399Google Scholar
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    A. Purer, “An Analytical Procedure for Analysis of Impurities in Grade-A Helium in the Parts-Per-Billion Range,” Helium Research Center Internal Report No. 48 (April 1964).Google Scholar

Copyright information

© Plenum Press, New York 1965

Authors and Affiliations

  • A. Purer
    • 1
  • L. Stroud
    • 1
  • T. O. Meyer
    • 1
  1. 1.U.S. Bureau of MinesHelium Research CenterAmarilloUSA

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