Platinum's List of Isotopes
| Isotope | Half Life |
| Pt-188 | 10.2 days |
| Pt-190 | 6.0E11 years |
| Pt-191 | 2.96 days |
| Pt-192 | Stable |
| Pt-193 | 60.0 years |
| Pt-193m | 4.33 days |
| Pt-194 | Stable |
| Pt-195 | Stable |
| Pt-195m | 4.02 days |
| Pt-196 | Stable |
| Pt-197 | 18.3 hours |
| Pt-197m | 1.59 hours |
| Pt-198 | Stable |