Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Radioisotopic composition of a 155Tb source received from CERN-ISOLDE before and after chemical separation (reference time 2017-09-29 12:00 UTC).
| Isotope | T 1/2 | Activity of material supplied (MBq) | Activity following separation |
|---|---|---|---|
| 139Ce | 136.7 d | 2.79 ± 0.068 | ≤1.90 kBq |
| 155Tb | 5.32 d | 9.28 ± 0.63 | 9.03 ± 0.049 MBq |
