NDLI: Comparison of the Argon Triple-Point Temperature in Small Cells of Different Construction

Content Provider	Springer Nature Link
Author	Kołodziej, B. Kowal, A. Lipiński, L. Manuszkiewicz, H. Szmyrka Grzebyk, A.
Copyright Year	2017
Abstract	The argon triple point ( $$T_{90} = 83.8058\,\hbox {K}$$ ) is a fixed point of the International Temperature Scale of Preston-Thomas (Metrologia 27:3, 1990). Cells for realization of the fixed point have been manufactured by several European metrology institutes (Pavese in Metrologia 14:93, 1978; Pavese et al. in Temperature, part 1, American Institute of Physics, College Park, 2003; Hermier et al. in Temperature, part 1, American Institute of Physics, College Park, 2003; Pavese and Beciet in Modern gas-based temperature and pressure measurement, Springer, New York, 2013). The Institute of Low Temperature and Structure Research has in its disposal a few argon cells of various constructions used for calibration of capsule-type standard platinum resistance thermometers (CSPRT) that were produced within 40 years. These cells differ in terms of mechanical design and thermal properties, as well as source of gas filling the cell. This paper presents data on differences between temperature values obtained during the realization of the triple point of argon in these cells. For determination of the temperature, a heat-pulse method was applied (Pavese and Beciet in Modern gas-based temperature and pressure measurement, Springer, New York, 2013). The comparisons were performed using three CSPRTs. The temperatures difference was determined in relation to a reference function $$W(T)=R(T_{90})/R(271.16\hbox {K})$$ in order to avoid an impact of CSPRT resistance drift between measurements in the argon cells. Melting curves and uncertainty budgets of the measurements are given in the paper. A construction of measuring apparatus is also presented in this paper.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISSN	0195928X
Journal	International Journal of Thermophysics
Volume Number	38
Issue Number	6
e-ISSN	15729567
Language	English
Publisher	Springer US
Publisher Date	2017-04-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Argon triple point Comparison CSPRT ITS-90 Condensed Matter Physics Classical Mechanics Industrial Chemistry/Chemical Engineering Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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