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When iridium-192 emits a beta particle as it decays.
When iridium-194 emits a beta particle as it decays.
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When iridium-192 emits a beta particle as it decays.
Iridium 192 decays by emitting a beta partical, its half life is 73.8 days.
It decays 95.1% through negative beta emission, and the remaining 4.9% is through electron capture.
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