Uses of Strontium-90

Q.  Which of the following is/are uses of Strontium-90?

1) Treatment of bone cancer
2) Radioactive tracer
3) Radioisotope Thermoelectric Generators

- Published on 25 Jul 16

a. 2, 3
b. 1, 2
c. 1, 3
d. All of the above

ANSWER: All of the above
  • The radioactive decay of strontium-90 generates a significant amount of heat. It is used as a heat source in many Russian/Soviet radioisotope thermoelectric generators, usually in the form of strontium titanate.
  • Sr-90 finds use in industry as a radioactive source for thickness gauges.
  • Sr-90 finds extensive use in medicine as a radioactive source for superficial radiotherapy of some cancers. Controlled amounts of Sr-90 and Sr-89 can be used in treatment of bone cancer.
  • It is also used as a radioactive tracer in medicine and agriculture.


  • Lara Qteishat   -Posted on 21 Feb 19
    No information provided

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