Isotopes of Uranium (Z=92)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 218U
| 1.5 ms | 0+
|
%A=100
|
|---|
| 219U
| 42 us |
|
%A=?
|
|---|
| 220U
| |
|
|
|---|
| 221U
| |
|
|
|---|
| 222U
| 1.0 us | 0+
|
%A=100
|
|---|
| 223U
| 18 us |
|
%A=?
|
|---|
| 224U
| 0.9 ms | 0+
|
%A=100
|
|---|
| 225U
| 95 ms |
|
%A=100
|
|---|
| 226U
| 0.35 s | 0+
|
%A=100
|
|---|
| 227U
| 1.1 m | (3/2+)
|
%A=100, %EC+%B+ < 0.001
|
|---|
| 228U
| 9.1 m | 0+
|
%EC<5, %A>95
|
|---|
| 229U
| 58 m | (3/2+)
|
%EC+%B+ ~ 80, %A ~ 20
|
|---|
| 230U
| 20.8 d | 0+
|
%A=100, %SF < 1.4E-10
|
|---|
| 231U
| 4.2 d | (5/2-)
|
%EC=100, %A ~ 0.0055
|
|---|
| 232U
| 68.9 y | 0+
|
%A=100, %24NE=9E-11 7
|
|---|
| 233U
| 1.592e+5 y | 5/2+
|
%A=100, %SF < 6E-11, %24NE < 9.5E-11
|
|---|
| 234U
| 2.455e+5 y | 0+
|
%Abundance=0.0055 5, %A=100, %SF=1.64E-9 22, %NE=9E-12 7, %MG=1.4E-11 3
|
|---|
| 235U
| 7.038e+8 y | 7/2-
|
%Abundance=0.7200 12, %A=100, %SF=7.0E-9 21, %20NE=8E-10 4
|
|---|
| 235m1U
| 25 m | 1/2+
|
%IT=100
|
|---|
| 236U
| 2.342e7 y | 0+
|
%A=100, %SF=9.4E-8 4
|
|---|
| 237U
| 6.75 d | 1/2+
|
%B-=100
|
|---|
| 238U
| 4.468e+9 y | 0+
|
%Abundance=99.2745 60, %A=100, %SF=5.45E-5 7, %BB=2.2E-10 7
|
|---|
| 238m1U
| 225 ns | 0+
|
|
|---|
| 238m2U
| 1 ns |
|
|
|---|
| 239U
| 23.45 m | 5/2+
|
%B-=100
|
|---|
| 240U
| 14.1 h | 0+
|
%B-=100
|
|---|
| 241U
| |
|
|
|---|
| 242U
| 16.8 m | 0+
|
%B-=100
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory