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New method to measure ratio of ortho- and parahydrogen.

Author(s) : WANNER M., HOFMANN A.

Type of article: Article

Summary

The new method makes use of the caloric differences of the two hydrogen modifications. Parahydrogen has a slightly lower enthalpy than orthohydrogen and the enthalpy of an ortho-para hydrogen mixture is directly proportional to the ortho-para ratio.

Details

  • Original title: New method to measure ratio of ortho- and parahydrogen.
  • Record ID : 1997-3175
  • Languages: German
  • Source: Ber. Tech. Wiss./Rep. Sci. Technol. - n. 74/n. 57
  • Publication date: 1996/04
  • Document available for consultation in the library of the IIR headquarters only.

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