Encyclopedia

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

  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) ↩

Морфология

Род

Понятие «радионуклид стронций-90» мужского рода.

Склонение и число

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
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