Isotope Data

Isotope Particle Emitted Half Life
14C β 5,730 years
3H β 12.3 years
125I γ 60 days
32P β 14.3 days
33P β 25 days
35S β 87.4 days

1 Ci = 1,000 mCi
1 mCi = 1,000 µCi
1 µCi = 2.2 X 106 disintegrations/minute
1 Becquerel = 1 disintegration/second
1 µCi = 3.7 X 104 Becquerels
1 Becquerel = 2.7 X 10-5 µCi