The Source 12 ❑ Nuclide Cs-137 ❑ Activity (Sept.87) 50.9 TBq (1375 Ci) ❑ Chemical form CsCl ❑ Physical form powder ❑ CsCl mass 93 g ❑ Cs-137 mass 19.3 g ❑ Physical half-life 30 years © Copyright 2021 | Training Slides