CIPM MRA COMPARISON REPORTS
KEY COMPARISON
BIPM.QM-K1 (NPLI 2025)
Ozone at ambient level
Published on 24/09/2026 - © 2026 J. Viallon
et al
Citation J. Viallon
et al 2026 CIPM MRA Comparison reports 08019
Authors
Joële Viallon
Bureau International des Poids et Mesures (BIPM)
BIPM - International Organization
Philippe Moussay
Bureau International des Poids et Mesures (BIPM)
BIPM - International Organization
Faraz Idrees
Bureau International des Poids et Mesures (BIPM)
BIPM - International Organization
Robert Wielgosz
Bureau International des Poids et Mesures (BIPM)
BIPM - International Organization
Peter Trask
National Institute of Standards and Technology (NIST)
United States
Sachchidanand Singh
CSIR National Physical Laboratory of India (NPLI)
India
Radhakrishnan Soman Radha
CSIR National Physical Laboratory of India (NPLI)
India
Rubiya Banoo
CSIR National Physical Laboratory of India (NPLI)
India
Devesh Kumar Shukla
CSIR National Physical Laboratory of India (NPLI)
India
Abstract
As part of the ongoing key comparison BIPM.QM-K1, a comparison has been performed between the ozone standard of India maintained by the CSIR-National Physical Laboratory, (NPLI) 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 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).