CIPM MRA COMPARISON REPORTS

As part of the ongoing key comparison BIPM.QM-K1, a comparison has been performed between the ozone standard of South Africa maintained by the National Metrology Institute of South Africa (NMISA) and the common reference standard of the key comparison, maintained by the Bureau International des Poids et Mesures (BIPM). The instruments have been compared over a nominal ozone amount fraction range of 0 nmol mol⁻¹ to 500 nmol nbsp;mol⁻¹. As part of the ongoing key comparison BIPM.QM-K1, a comparison has been performed between the ozone national standard of The United States maintained by the National Institute of Standards and Technology (NIST) and the common reference standard of the key comparison, maintained by the Bureau International des Poids et Mesures (BIPM). The instruments have been compared over a nominal ozone amount fraction range of 0 nmol mol⁻¹ to 500 nmol nbsp;mol⁻¹.

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 CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).