strontium-90

(redirected from Sr-90)
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strontium-90

[′strän·tē·əm ′nīn·tē]
(nuclear physics)
A poisonous, radioactive isotope of strontium; 28-year half life with β radiation; derived from reactor-fuel fission products; used in thickness gages, medical treatment, phosphor activation, and atomic batteries.
References in periodicals archive ?
The nuclear industry blames any Sr-90 still in the environment on residual effects of bomb testing.
9%) for the subset of patients receiving Sr-90 beta radiation compared to this placebo control group.
The Recommendation emphasises the obligation on Member States to inform the Commission within specific deadlines of the results of monitoring of radioactivity(Cs-137, gamma, tritium, natural radionuclides, Sr-90, etc.
of Washington's Jaromir Ruzicka to develop a sequential injection-analysis system that rapidly separates Sr-90 from other radioisotopes in nuclear waste.
EPlus is also offered with SR-90 or KR-85 beta gauges.