CIPM MRA COMPARISON REPORTS

KEY COMPARISON

SIM.T-K9.4

Realization of the ITS-90 of the triple point of Argon

K. Quelhas , W. Tew , R. Wang , S. Dedyulin , P. Rourke , A. Peruzzi

Citation K. Quelhas et al 2026 CIPM MRA Comparison reports 03007

https://doi.org/10.59161/XJQP7155

Authors

Klaus Quelhas

https://orcid.org/0000-0001-9295-4757 National Institute of Standards and Technology (NIST) United States

Weston Tew

https://orcid.org/0000-0002-9979-9136 National Institute of Standards and Technology (NIST) United States

Richmond Wang

https://orcid.org/0009-0008-0297-7161 National Institute of Standards and Technology (NIST) United States

Sergey Dedyulin

https://orcid.org/0000-0003-3525-2980 National Research Council (NRC) Canada

Patrick Rourke

https://orcid.org/0000-0001-7875-9592 National Research Council (NRC) Canada

Andrea Peruzzi

https://orcid.org/0000-0001-6647-3933 National Research Council (NRC) Canada

Abstract

This document reports the results of a bilateral comparison of the argon triple point (Ar TP) realizations between the National Institute of Standards and Technology (NIST) of the USA and the National Research Council (NRC) of Canada.

Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/.

The final report has been peer-reviewed and approved for publication by the CCT, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

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