Isotopes of Potassium (Z=19)
Click on an isotope to get more information about its decay
| Isotope
| Half-life
| Spin
Parity
| Decay Mode(s) or
Abundance |
|---|
| 32K
| | |
|
|---|
| 33K
| | |
|
|---|
| 34K
| | |
|
|---|
| 35K
| 190 ms | 3/2+ |
%EC+%B+=100, %ECP=0.37 15
|
|---|
| 36K
| 342 ms | 2+ |
%EC+%B+=100, %ECP=0.048 14, %ECA=0.0034 13
|
|---|
| 37K
| 1.226 s | 3/2+ |
%EC+%B+=100
|
|---|
| 38K
| 7.636 m | 3+ |
%EC+%B+=100
|
|---|
| 38m1K
| 923.9 ms | 0+ |
%EC+%B+=100
|
|---|
| 39K
| stable | 3/2+ |
%Abundance=93.2581 44
|
|---|
| 40K
| 1.277e+9 y | 4- |
%Abundance=0.0117 1, %B-=89.28 13, %EC+%B+=10.72 13
|
|---|
| 41K
| stable | 3/2+ |
%Abundance=6.7302 44
|
|---|
| 42K
| 12.360 h | 2- |
%B-=100
|
|---|
| 43K
| 22.3 h | 3/2+ |
%B-=100
|
|---|
| 44K
| 22.13 m | 2- |
%B-=100
|
|---|
| 45K
| 17.3 m | 3/2+ |
%B-=100
|
|---|
| 46K
| 105 s | (2-) |
%B-=100
|
|---|
| 47K
| 17.50 s | 1/2+ |
%B-=100
|
|---|
| 48K
| 6.8 s | (2-) |
%B-=100, %B-N=1.14 15
|
|---|
| 49K
| 1.26 s | (3/2+) |
%B-=100, %B-N=86 9
|
|---|
| 50K
| 472 ms | (0-,1,2-) |
%B-=100, %B-N=29 3
|
|---|
| 51K
| 365 ms | (1/2+,3/2+) |
%B-=100 , %B-N=47 5
|
|---|
| 52K
| 105 ms | |
%B-=100, %B-N=91 9
|
|---|
| 53K
| 30 ms | (3/2+) |
%B-=100, %B-N=85 15
|
|---|
| 54K
| 10 ms | |
%B-=100, %B-N=?
|
|---|
| 55K
| | |
|
|---|
Last update on
February 15, 2012
