Iridium-188 (Ir-188)

Identity

Protons

77

Neutrons

111

Mass number

188

Mass

188 ± 10 u

Mass excess

-38.345 MeV

Spin

1-*

Stability

Half-life: 1.73 days

Natural occurrence

Not found in nature

Decays to

• positron emission → Os-188

Produced by

• Pt-188