| Properties: | |
| Half-life, 2.7 days. | |
| Derivation: | |
| Neutron irradiation of the element. | |
| Available forms: | |
| Gold metal, colloidal gold. The NF solution is colloidal 198Au. | |
| Hazard: | |
| Toxic from β- and γ radiation. | |
| Use: | |
| Internal radiation therapy, to detect leaks in bacterial filters, to locate solidification boundary in continuously cast aluminum, to determine metallic silver in photographic materials. | |