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Atomic: M.A.C. | Reference
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Isotopes of Iridium
Notable Isotopes
189Ir [112 neutrons]
Abundance: synthetic
Half life: 13.2 days [ Electron Capture ]
Decay Energy: 0.532MeV
Decays to 189Os.
190Ir [113 neutrons]
Abundance: synthetic
Half life: 11.8 days [ Electron Capture ]
Decay Energy: 2.000MeV
Decays to 190Os.
191Ir [114 neutrons]
Abundance: 37.3%
Stable with 114 neutrons
192Ir [115 neutrons]
Abundance: synthetic
Half life: 73.83 days
Decay Energy: 1.460MeV
Decays to 192Pt.
Half life: 73.83 days [ Electron Capture ]
Decay Energy: 1.046MeV
Decays to 192Os.
192Ir, which falls between the two stable isotopes, is the most stable radioisotope, with a half-llife of 73.827 days, and finds application in brachytherapy (a form of radiotherapy where a radioactive source is placed inside or next to the area requiring treatment).
193mIr [116 neutrons]
Abundance: synthetic
Half life: 241 years
Decay Energy: 0.155MeV
Decays to 192Ir.
193Ir [116 neutrons]
Abundance: synthetic
Stable with 116 neutrons
194Ir [117 neutrons]
Abundance: synthetic
Half life: 19.3 hours
Decay Energy: 2.247MeV
Decays to 194Pt.
195Ir [118 neutrons]
Abundance: synthetic
Half life: 2.5 hours
Decay Energy: 1.120MeV
Decays to 195Pt.