Radionuclide

The specific activity of the isotope 100%

Half life

Type of

decay

Energy (max) [MeV]

[mCi/mmol]

[Bk/mole]

3H (tritium)

29.05

1.11 × 10¹⁵

12.43 y

β

0.0185

14C

0.062

2.3 × 10¹²

5730 y

β

0.156

32P

9104

0.33 × 10¹⁸

14.3 d

β

1.709

33P

5138

0.19 × 10¹⁸

25.4 d

β

0.249

35S

1491

0.5 × 10¹⁷

87.4 d

β

0.167

125I

1672

0.8 × 10¹⁷

60 d

e.c.

0.25