User:JWB/Nuclear materials by halflife

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Fission products 1 year and more[edit]

144Ce 106Ru ~1year
134Cs
147Pm 155Eu 125Sb 2–5y
85Kr
11–14y
137Cs 90Sr 151Sm 29–90y
no fission products in this range 102–105y
99Tc
79Se
126Sn .2–.3my
93Zr
135Cs
129I
107Pd
1–16my

Actinides 1 year and more[edit]

Only those produced from the three long-lived naturally occurring isotopes 235U, 238U, 232Th by decay and/or neutron capture.

1.9116 2.? 5-6
228Th 252Cf 228Ra
10 14 18 22 29 68.9 88 141
250Cf 241Pu 244Cm 210Pb 227Ac 243Cm 232U 238Pu
242m1Am
351 432 900 1600 4730 6561 7350 8500
249Cf 241Am 251Cf 226Ra 246Cm 240Pu 229Th 243Am 245Cm
24k 33k 76k 160k 246k 348k to 375k
239Pu 231Pa 230Th 233U 234U 242Pu 248Cm
2.14m 3.04m 15.?m 23m 80m 704m 4.47b 14b
237Np
210mBi
247Cm 236U 244Pu 238U 232Th

Activation products[edit]