Gold-198
Gold-198 (198Au) is a radioactive isotope of gold. It undergoes beta decay to stable 198Hg with a half-life of 2.69464 days.
| General | |
|---|---|
| Symbol | 198Au |
| Names | gold-198, 198Au, Au-198 |
| Protons (Z) | 79 |
| Neutrons (N) | 119 |
| Nuclide data | |
| Half-life (t1/2) | 2.69464 d |
| Isotope mass | 197.9682437 Da |
| Spin | 2− |
| Decay products | 198Hg |
| Decay modes | |
| Decay mode | Decay energy (MeV) |
| β− | 1.3735 |
| Isotopes of gold Complete table of nuclides | |
The decay properties of 198Au have led to widespread interest in its potential use in radiotherapy for cancer treatments. This isotope has also found use in nuclear weapons research and as a radioactive tracer in hydrological research.
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