
Isotope Disk set, 5 disk
Our 5 disk radioisotope set contains a wide of alpha, beta and gamma emissions making it a popular choice for nuclear science instruction. The set contains two beta emitters, two beta/gamma emitters and one alpha source for in-depth studies of radiation.

Contains 1 each of Cs-137 (5 uCi), Po-210 (0.1 uCi), Sr-90 (0.1 uCi), Co-60 (1 uCi) and Tl-204 (1 uCi).
Half-Life and emission energies are as follows:
ISOTOPE | ACTIVITY | HALF-LIFE | EMISSION | ENERGIES (KeV) |
Polonium210 Strontium90 Thallium204 Cobalt60 Cesium137 | 0.1uCi 0.1uCi 1 uCi 1 uCi 5 uCi | 138 days 28.5 years 3.78 years 5.27 years 30.1 years | Alpha Beta Beta Gamma Gamma & Beta | 5304.5 546.0 763.4 1173.2, 1332.5 G: 32, 661.6 B: 511.6, 1173.2 |