核素

T1/2/a

m/(kg∙Gwe−1∙a−1)

乏燃料中的含量(%)

Np-237

2.14 × 106

13.0

0.052

Am-241

433

1.6

0.0064

Am-243

7370

3.3

0.0132

Cm-244

18.11

1.01

0.00404

Cm-245

8.53

0.04

0.00016