The document contains requirements for the qualities and the application of niob activation detectors as well as of conducting radioactivity measurements following radiation treatment in the neutron field.
DIN 25456-4:1999 history
1999DIN 25456-4:1999-10 Neutron fluence measurement - Part 4: Fast-neutron fluence determination with niob activation detectors
1999DIN 25456-4:1999 Neutron fluence measurement - Part 4: Fast-neutron fluence determination with niob activation detectors