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Method of analysis of impurities in helium in the parts-per-billion range
Compressibility factors for helium and carbon dioxide mixtures at 0⁰, 10⁰, 20⁰, 23⁰, and 35⁰ C and to 900 psia
Compressibility factors for helium and carbon dioxide mixtures at -10⁰ and -20⁰C and pressures to 1,000 psia