The final report and results of the key comparison CCQM-K91.2022 have been published in the KCDB. This is a comparison on the measurement of the acidity function of an unknown phthalate bufffer at zero chloride molality, piloted by Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Brazil in which 13 state economies participated.
6DECEMBER2024
Key Comparison of Air Kerma for Low-Energy X-Rays – BIPM
Publication of the most recent results of BIPM.RI(I)-K2 key comparison of the air-kerma standards of the Physikalisch-Technische Bundesanstalt (PTB), Germany and the BIPM in low-energy x-rays, completed in 2024.
6DECEMBER2024
Key Comparison of Air Kerma for Medium-Energy X-Rays – BIPM
New results issued from the continuous BIPM.RI(I)-K3 have been published in the KCDB, including results obtained with Physikalisch-Technische Bundesanstalt (PTB), Germany in 2024. This is a comparison of the measurement of air kerma for medium energy X-rays in the field of Ionizing Radiation in which 15 state economies participated.
6DECEMBER2024
Key Comparison of Air Kerma for Cs-137 – BIPM
New results issued from the continuous BIPM.RI(I)-K5 have been published in the KCDB, including results obtained with Glowny Urzad Miar, Central Office of Measures (GUM), Poland. This is a comparison of the measurement of air kerma for Cs-137 in the field of Ionizing Radiation with 16 participating state economies.