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  • AIP Publishing  (2)
  • 1950-1954  (2)
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  • AIP Publishing  (2)
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  • 1950-1954  (2)
Year
  • 1
    Online Resource
    Online Resource
    A Hydrogen Liquefier Using Neon as an Intermediate
    AIP Publishing ; 1952
    In:  Review of Scientific Instruments Vol. 23, No. 7 ( 1952-07-01), p. 357-361
    Details
    In: Review of Scientific Instruments, AIP Publishing, Vol. 23, No. 7 ( 1952-07-01), p. 357-361
    Abstract: A hydrogen liquefier is described in which the hydrogen is condensed at 6.6 atmospheres by means of liquid neon produced in a Joule-Thomson liquefier. This cascade liquefier produced and consumed 17 liters/hour of liquid neon and produced 27.5 liters/hour of liquid hydrogen, representing an increase of 6 to 20 percent over direct Joule-Thomson liquefaction of hydrogen. Means are described whereby further increase in yield and ease of operation could be achieved. Owing to some mechanical difficulties, the elimination of which would mean major construction changes, the system was abandoned in favor of the original Joule-Thomson method.
    Type of Medium: Online Resource
    ISSN: 0034-6748 , 1089-7623
    URL: Article
    DOI: 10.1063/1.1746276
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1952
    detail.hit.zdb_id: 209865-9
    detail.hit.zdb_id: 1472905-2
    SSG: 11
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  • 2
    Online Resource
    Online Resource
    Ionization of Strong Electrolytes. III. Proton Magnetic Resonance in Nitric, Perchloric, and Hydrochloric Acids
    AIP Publishing ; 1954
    In:  The Journal of Chemical Physics Vol. 22, No. 12 ( 1954-12-01), p. 2067-2071
    Details
    In: The Journal of Chemical Physics, AIP Publishing, Vol. 22, No. 12 ( 1954-12-01), p. 2067-2071
    Abstract: Since the proton magnetic resonance shift in an acid is a colligative property, the derivation of degrees of dissociation requires assumptions which cannot be tested directly. Results derived from measurements of this resonance shift in nitric acid and in perchloric acids are in sufficient agreement with earlier results obtained from a specific property (intensity of Raman lines) to confirm the interpretation of the shift. The value 22 has been found for the thermodynamic dissociation constant of nitric acid, the value 38 for perchloric acid. The association of nitric acid in aqueous solutions containing more than 50 mole percent of acid is reflected in the shift. Differences in the limiting slopes of the resonance shift of the proton in various acids at high dilution are interpreted as due to different influences of the anions on the association of water.
    Type of Medium: Online Resource
    ISSN: 0021-9606 , 1089-7690
    URL: Article
    DOI: 10.1063/1.1739994
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1954
    detail.hit.zdb_id: 3113-6
    detail.hit.zdb_id: 1473050-9
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