In
Indium
Z = 49 · Post-Transition Metal · 114.8 u
Nuclear Engineering Significance
Component of Ag-In-Cd control rods. In-115 has high thermal absorption (σ_a = 194 b) and strong resonance absorption. Indium foils are widely used as activation detectors for reactor flux measurements due to well-characterized resonances.
Basic properties
- Atomic number (Z)
- 49
- Standard atomic mass
- 114.8 u
- Category
- Post-Transition Metal
Isotopes & cross-section data
| Isotope | Mass (A) | Half-life | ZAID | Libraries |
|---|---|---|---|---|
| In-113 | 113 | Stable | .80c.71c.70c | |
| In-115 | 115 | Stable | .80c.71c.70c |