Ir
Iridium
Z = 77 · Transition Metal · 192.2 u
Nuclear Engineering Significance
Not commonly used in reactor systems. Ir-192 (t₁/₂ = 73.8 d) gamma sources are widely used in industrial radiography, including inspection of reactor welds and piping. Very high density provides effective gamma shielding.
Basic properties
- Atomic number (Z)
- 77
- Standard atomic mass
- 192.2 u
- Category
- Transition Metal
Isotopes & cross-section data
No nuclide data for this element in the reference database.
The NRDP database focuses on nuclides relevant to reactor physics. For full isotope data, see NNDC NuDat 3.