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International Journal of Thermophysics

, Volume 29, Issue 3, pp 984–990 | Cite as

Realization of the Temperature Scale in the Range from 234.3 K (Hg Triple Point) to 1084.62°C (Cu Freezing Point) in Croatia

  • Davor Zvizdic
  • Tomislav Veliki
  • Lovorka Grgec Bermanec
Article

Abstract

This article describes the realization of the International Temperature Scale in the range from 234.3 K (mercury triple point) to 1084.62°C (copper freezing point) at the Laboratory for Process Measurement (LPM), Faculty of Mechanical Engineering and Naval Architecture (FSB), University of Zagreb. The system for the realization of the ITS-90 consists of the sealed fixed-point cells (mercury triple point, water triple point and gallium melting point) and the apparatus designed for the optimal realization of open fixed-point cells which include the gallium melting point, tin freezing point, zinc freezing point, aluminum freezing point, and copper freezing point. The maintenance of the open fixed-point cells is described, including the system for filling the cells with pure argon and for maintaining the pressure during the realization.

Keywords

Croatia ITS-90 Realization 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Davor Zvizdic
    • 1
  • Tomislav Veliki
    • 1
  • Lovorka Grgec Bermanec
    • 1
  1. 1.Laboratory for Process Measurements, Faculty of Mechanical Engineering and Naval ArchitectureUniversity of ZagrebZagrebCroatia

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