PHYSICAL CHARACTERISTICS Strontium-85 ( 85Sr ) ▖Radioactive half-life: 64.9 d ▖Main types of radiation emitted: g Strontium-89 ( 89Sr ) ▖Radioactive half-life: 50.7 d ▖Main types of radiation emitted: b- Strontium-90 ( 90Sr ) ▖Radioactive half-life: 28.2 years ▖Main types of radiation emitted: b- SOURCES OF EXPOSURE ▖85Sr and 89Sr: nuclear medicine ▖89Sr and 90Sr: nuclear reactors (fission products) 90 Sr Strontium 89 Sr Strontium INTERNAL CONTAMINATION MEASUREMENT J Urine bioassay J Faeces bioassay Strontium 85 Sr Strontium EMERGENCY TREATMENT Two treatments are possible. Calcium salts PRESENTATION CALCIFORTE® 500 mg, oral solution. Vial sweetened with sodium cyclamate and sodium saccharine (GRIMBERG SA LABORATORIES). One 10 ml vial contains 500 mg elemental calcium. INDICATIONS Internal contamination by ingestion. DOSAGE Adults and children (> 10 years): 6 vials every 6 h by oral route. Children (6 to 10 years): 3 vials every 6 h by oral route. Sodium alginate PRESENTATION GAVISCON®, oral suspension in 500 mg sachet of Sodium alginate. DOSAGE Adults: 10 g/d. IRSN-INRS radionuclide sheet: Radiation protection: radionuclides. Strontium-90 (irsn.fr). to find more DOSE COEFFICIENT REFERENCE Effective committed dose per becquerel incorporated, taken from the Order mentioned in Article R. 1333-24 of the Public Health Code: french-nuclear-safety.fr/dosimetric-references EXPOSURE RISK ▖Irradiation ++ 85Sr ▖External contamination +++ 89Sr and 90Sr ▖Internal contamination +++ RADIONUCLIDE HANDBOOK • Emergency treatment of internal contamination RH 47
RkJQdWJsaXNoZXIy NjQ0NzU=