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Isótopos de Tungstênio

Tungstênio Natural contém cinco isótopos estáveis. Vinte e um isótopos instáveis são reconhecidas.

  Natural
Abun. (%)		 Atomic
Massa		 Half-
vida/p>		 Decay Mode
/Energia (/MeV)		 Part. En.
/Intensidade
(MeV/%)		 Cross-seita.
Ther. Neut.
(b)		 Spin
(h/2 pi)		 Magnético
Dipl.Mom.
(nm)		 Elétrico
Quad. Mom.
(b)		 Gamma En.
/Intensidade
(MeV/%)
 158W   157.97383 0.9ms alpha            
 159W   158.97239 7ms alpha            
 160W   159.94848 0.08s alpha 5.92   0+      
 161W   160.94714 0.41s ß+,E.C./ 8.4
alpha		  
5.78		          
 162W   161.96329 1.39s ß+,E.C./ 5.8
alpha		  
5.54		   0+      
 163W   162.96227 2.8s ß+,E.C./ 7.5
alpha		  
5.38		          
 164W   163.95882 6s ß+,E.C./ 4.9
alpha		  
5.15		   0+     rad. an.
 165W   164.95811 5.1s ß+,E.C./ 6.8
alpha		  
4.91		         rad. an.
 166W   165.95502 16s ß+,E.C./ 4.4
alpha		  
4.74		   0+     rad. an.
 167W   166.95454 20s E.C./ 6.1            
 168W   167.95186 53s E.C./ 3.7            
 169W   168.95175 1.3m E.C./ 5.4            
 170W   169.94929 2.4m E.C./ 3            
 171W   170.94946 2.4m E.C./ 4.6            
 172W   171.94743 6.6m ß+,E.C./ 2.5           0.0359
0.1302
0.4576
0.6236
 173W   172.94771 6.3m E.C./ 3.8           0.0499
0.1057
0.3652
0.707
 174W   173.94616 35m E.C./ 1.7     0+     0.0354
0.3287
0.4288
 175W   174.94677 35m E.C./ 2.9     1/2-     0.015 - 0.27
 176W   175.94559 2.5h ß+,E.C./ 0.8     0+     0.03358
0.06129
0.09487
0.1002
 177W   176.94661 2.21h E.C./ 2     1/2-     Ta k x rays
0.15505
0.18569
0.42694
 178W   177.94584 21.6d E.C./ 0.09     0+     Ta k x rays
 179mW     6.4m I.T./ 0.222
E.C.		     1/2-     W k x rays
0.222
 179W   178.947067 38m E.C./ 1.06     7/2-     Ta k x rays
0.0307
 180W 0.12 % 179.946701       4 b 0+      
 181W   180.948192 121.2d E.C./ 0.19     9/2+     Ta k x rays
0.13617
0.15221
 182W 26.3 % 181.948202       20 b 0+      
 183mW     5.15s I.T.     11/2+     W k x rays
0.0465
0.0526
0.0991
0.1605
 183W 14.28 % 182.95022       10.5 b 1/2- 0.11778 nm    
 184W 30.7 % 183.950928       2 b 0+      
 185mW     1.6m I.T./ 0.1974     11/2+     W k x rays
0.0659
0.1315
0.1737
 185W   184.953416 74.8d ß-/ 0.433 0.433/ 99.9 3.3 b 3/2-     0.12536
 186W 28.6 % 185.954357       36 b 0+      
 187W   186.957153 23.9h ß-/ 1.312 0.624
1.315		 70 b 3/2- 0.62 nm   Re k x rays
0.0725
0.47951
0.68572
 188W   187.95848 69.4d ß-/ 0.349 0.349/ 99   0+     0.0636
0.2271
0.2907
 189W   188.9619 11.5m ß-/ 2.5 1.4
2.5		   3/2-     0.258
0.417
0.55
 190W   189.96321 30m ß-/ 1.3 0.95   0+     Re k x rays
0.1576
0.1621