New results issued from the continuous key comparison
BIPM.RI(I)-K7 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 in the mammography x-ray range from 25 kV to 35 kV, in the field of Ionizing Radiation, in which 12 state economies participated.