Radioisotope strontium-90
The radionuclide strontium-90 is formed during the fission of uranium-235. It is a beta emitter. The energy of the beta radiation is 0.546 MeV. The half-life period is 29.12 years. It belongs to group B of radiological hazard. Accumulates in bones, lungs, and gastrointestinal tract (GIT) (digestive system). Permissible volumetric activity DOA in atmospheric air is 5.7 Bq/m³ (1.54 - 13 Ki/l), permissible specific activity DOA in water is 45.0 Bq/kg (1.22 - 9 Ki/kg)1
"RULES FOR ENSURING SANITARY-HYGIENIC REGIME DURING CONSTRUCTION AND OPERATION OF OBJECTS OF THE ENERGY COMPLEX IN AREAS OF RADIOACTIVE CONTAMINATION" (approved by the Ministry of Energy of Russia 20.11.96) ↩
Понятие «радионуклид стронций-90» мужского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | радионуклида стронций-90 | радионуклидов стронций-90 |
| Д | радионуклиду стронций-90 | радионуклидам стронций-90 |
| В | радионуклид стронций-90 | радионуклиды стронций-90 |
| Т | радионуклидом стронций-90 | радионуклидами стронций-90 |
| П | радионуклиде стронций-90 | радионуклидах стронций-90 |