Question

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Answer 1

Answer:

Iridium has two isotopes, Ir-191 and Ir-193 and both are used in the production of radioactive material. Although Ir-192 can be produced from natural Ir, the use of enriched Ir-191 gives a much higher specific activity and allows the use of smaller sources. The use of Ir-193 has been suggested for the production of the therapeutic radioisotope Pt-195m. Both are naturally occurring

Answer 2

Answer:

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