To discuss, foster, enable and co-ordinate the development, comparison and promulgation of national measurement standards for ionizing radiation. We aim to enable all users of ionizing radiation to make measurements with confidence at an accuracy that is fit for purpose.
A world in which the many benefits of ionizing radiation for healthcare and technology can be realized by accurate, scientifically rigorous measurement, confident that the associated risks are constrained.
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List of meetings
Meetings and related documents
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The new BIPM website
The BIPM is proud to present its new website, with an updated design and personalized content. Those entitled to access restricted documents will need to set up a personal password: click on SIGN IN in the header, then on Password forgotten and enter your email address as registered in the BIPM Meetings Office database.
New series of virtual seminars on ionizing radiation metrology
The field of ionizing radiation metrology is constantly evolving, ensuring the effectiveness and safety of new cancer treatments being just one example. A series of international scientific virtual seminars has been launched to share information on progress in the field.
Announcement of the 20th International Congress of Metrology (CIM 2021)
The 20th International Congress of Metrology, CIM 2021, will be held from 28-30 September 2021 in Paris (France). The congress will explore scientific and industrial challenges in the field of measurement through a varied programme.
New paper providing data for improved radiotherapy dose evaluation
A multi-year project involving multiple institutions and coordinated by the IAEA has culminated in a paper co-authored by David Burns (BIPM) providing definitive values for the critical correction factors in the determination of the radiotherapy dose to cancer patients.
New instrument for comparing primary standards of pure β-emitting radionuclides
Scientists from the BIPM have worked closely with colleagues from national metrology institutes in Germany, France, Poland, China and the UK to develop a new instrument that will enable metrology institutes to compare primary standards of pure beta-emitting radionuclides, reducing the need for complex and time-consuming multi-centre comparison exercises.