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A gas thermometer for vapor pressure measurements

  • Methods and Techniques of Physicochemical Studies
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Russian Journal of Physical Chemistry A, Focus on Chemistry Aims and scope Submit manuscript

Abstract

The pressure of an inert gas over the range 400–1000 K was measured on a tensimetric unit with a quartz membrane pressure gauge of enhanced sensitivity. It was shown that a reactor with a membrane null gauge could be used as a gas thermometer. The experimental confidence pressure and temperature intervals were 0.07 torr and 0.1 K at a significance level of 0.05. A Pt-Pt/10% Rh thermocouple was calibrated; the results were approximated by a polynomial of degree five. The error in temperature calculations was 0.25 K.

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References

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Authors and Affiliations

  1. Faculty of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992, Russia

    A. D. Rusin

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  1. A. D. Rusin
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Correspondence to A. D. Rusin.

Additional information

Original Russian Text © A.D. Rusin, 2008, published in Zhurnal Fizicheskoi Khimii, 2008, Vol. 82, No. 8, pp. 1595–1600.

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Rusin, A.D. A gas thermometer for vapor pressure measurements. Russ. J. Phys. Chem. 82, 1421–1426 (2008). https://doi.org/10.1134/S0036024408080347

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  • DOI: https://doi.org/10.1134/S0036024408080347

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