Transcription of Radioactive Material Safety Data Sheet Cesium-137
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Radioactive Material Safety Data Sheet Cesium-137
Radioactive Material Safety data Sheet : Cesium-137 Page 1 of 3 Radioactive Material Safety data Sheet This data Sheet presents information on radioisotopes only. For information on chemical compounds incorporating this radionuclide, see the relevant Material Safety data Sheet . Cesium-137 Part 1 Radioactive Material Identification Common Names: Cesium-137 Chemical Symbol: Cs-137 or 137Cs Atomic Number: 55 Mass Number: 137 (82 neutrons) Chemical Form: Cesium chloride Physical Form: A pellet of cesium ceramic housed in a welded stainless steel capsule Part 2 Radiation Characteristics Physical half-life: years Specific Activity (GBq/g): 3,220 Principle Emissions EMax (keV) Eeff (keV) Dose Rate ( Sv/h/GBq at 1m) Shielding Required Beta* ( ) 511 ( ) 157 - - Gamma ( ) / X-Raysb 4 (10%) (21%) (38%) 37 (14%) 662 ( ) - 103a HVL Lead: cm Alpha ( ) - - - - Neutron (n) - - - - Where Beta radiation is present, Bremsstrahlung radiation will be produced.
Radioactive Material Safety Data Sheet: Cesium-137 Page 1 of 3 Radioactive Material Safety Data Sheet This data sheet presents information on radioisotopes only.
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