Seminare und Vorträge 2024
Übersicht über alle zukünftigen IPP-Seminare, -Kolloquien und Vorträge

Übersicht über alle zukünftigen IPP-Seminare, -Kolloquien und Vorträge


Ort: IPP Garching

Aspects and problems of tritium in the biosphere

Institutskolloquium
  • Datum: 07.06.2024
  • Uhrzeit: 10:30 - 12:00
  • Vortragender: Prof. Dr. Clemens Walther
  • Clemens Walther is Professor at the Leibniz University Hannover, Germany and Head of the Institute of Radioecology and Radiation Protection. He is president of the German-Swiss Society for Radiation Protection and Head of the Steering Board of the Competence Center Radiation Research (KVSF). Since 2015 he is a member of the German Commission for Radiation Protection. Prof. Walther’s past appointments include being Dean of the Faculty of Mathematics and Physics (2019–2021), Chair of the Nuclear Chemistry Section of the German Chemical Society (2019-2022), Head of the European Network on Nuclear and Radiochemistry Education and Training (2016–2022), Member of the extended governing board of the German Society for Mass Spectrometry (DGMS) (2012–2015) and Head of the mass spectrometry division of the German Physical Society (DPG) (2012–2015).
  • Ort: IPP Garching
  • Raum: Arnulf-Schlüter Lecture Hall in Building D2 and Zoom
  • Gastgeber: IPP
  • Kontakt: karl.krieger@ipp.mpg.de
Tritium is a natural cosmogenic nuclide and omnipresent in natural waterbodys. However, man made nuclear activities have strongly increased the global inventory. The talk will cover natural and anthropogenic sources, the radioecological modelling of tritium migration in the environment and dose assessment to humans. Tritium will be compared to other radionuclides with respect to peculiarities of uptake and biological half life in the human body. Specific damage to tissue is rather low, due to its limited beta decay energy. This leads to high exemption limits for handling and high specific activities for clearance and discharge during the operation of nuclear facilities. Regulatory limits and dose coefficients as suggested by WHO, IAEA and ICRP as well as German legislation are discussed. Finally, the discharge of contaminated water from the Fukushima Daichi site will radiologically be set into perspective. [mehr]
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