1.1 This specification covers the requirements for helium gas to be used as a cover gas for liquid sodium. The allowable impurities in the gas are given.
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ASTM C1143-89(1994)e1, Standard Specification for Helium for Use as a Cover Gas for Liquid Sodium (Withdrawn 2000), ASTM International, West Conshohocken, PA, 1994, www.astm.orgBack to Top