Estr˘ncio: Propriedades


Isˇtopos

  Abund.
Nat. (%)
Massa
Atˇmica
Meia-
vida
Modo de Dec.
/Energia (/MeV)
En. da Part.
/Intensidade
(MeV/%)
SeccŃo Ef.
Neut. Term.
(b)
Spin
(h/2 pi)
Mom. Dip.
MagnÚtico
(nm)
Mom. Quad.
ElÚctrico
(b)
En. dos Gamas
/Intensidade
(MeV/%)
77Sr   76.93786 9s +/ 7 5.6        0.147
78Sr   77.93188 2.5m +/ 3.5           
79Sr   78.92986 2.1m +/ 5.1 4.1  3/2- -0.474 nm 0.74 b rad. an.
0.039/ 28
0.105/ 22
0.135 - 0.612
80Sr   79.92465 1.77h +/ 1.99    0+     rad. an.
0.174/ 10
0.589/ 39
0.24 - 0.55
81Sr   80.92327 22.3m +/ 3.99
C.E.
2.43
2.68
 1/2- 0.544 nm   rad. an.
0.148/ 31
0.1534/ 35
0.06 - 1.7
82Sr   81.918414 25.36d C.E./ 0.21          Rb k x rays
83mSr     5s T.I./ 0.2591    1/2-     0.2591/ 87.5
83Sr   82.917566 1.35d +/ 2.27
C.E.
0.465
0.803
1.227
 7/2+ -0.898 nm 0.8 b rad. an.
0.3816/ 12
0.3816
0.7627/ 30
0.094 - 2.15
84Sr 0.56 % 83.91343       0.8 b0+      
85mSr     1.127h T.I./ 0.2387
C.E.
   1/2-     0.2318/ 84
0.15 - 0.24
86Sr   84.912937 64.84d C.E./ 1.065    9/2+ -1.001 nm 0.32 b 0.51399/ 99.3
88Sr 9.86 % 85.909267        0+      
87mSr     2.8h T.I./ 0.3884    1/2-     0.3884
87Sr 7 % 86.908884        9/2+ -1.0936 nm 0.34 b  
88Sr 87.90562 %         0.0058 b0+      
89Sr   88.90745 50.52d -/ 1.492 1.492/ 100 0.42 b5/2+ -1.149 nm -0.3 b 0.9092
90Sr   89.907738 29.1a -/ 0.546 0.546/ 100 14 b0+      
91Sr   90.910187 9.5h   1.09/ 33
1.36/ 29
2.66/ 26
 5/2+ -0.887 nm 0.044 b 0.5556/ 61
0.7498/ 24
1.0243/ 33
0.12 - 2.4
92Sr   91.910944 2.71h -/ 1.91 0.55/ 96
1.5/ 3
 0+     1.3831/ 90
0.24 - 1.1
93Sr   92.913987 7.4m -/ 4.08 2.2/ 10
2.6/ 25
3.2/ 65
 5/2+ -0.794 nm 0.27 b 0.5903
0.7104
0.87573
0.8883
0.17 - 3.97
94Sr   93.915367 1.25m -/ 3.51 2.1
3.3
 0+     0.6219
0.7043
0.7241
0.8064
1.4283
95Sr   94.91938 25.1s -/ 6.2
6.1/ 50
 1/2+ -0.5379 nm   0.6859
0.8269
2.7173
2.9332
96Sr   95.92176 1.06s -/ 5.4 4.2  0+     0.1222
0.5305
0.8094
0.9318
97Sr   96.92614 0.42s -/ 7.5 5.3  1/2+ -0.5 nm   0.2164
0.3071
0.6522
0.9538
1.258
1.905
98Sr   97.92862 0.65s -/ 6.1 5.1        0.0365
0.119
0.4286
0.4447
0.5636
99Sr   98.93328 0.269s -/ 8           
100Sr   99.93537 0.201s -/ 7.1           
101Sr     0.115s -/ 7.1           
102Sr     68ms -