Calcium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
34Ca |
34.01412 (32) |
|
<35 |
ns |
13,150 (300) |
7,224 (9) |
2p ? |
|
35Ca |
35.00494 (21) |
|
25.7 |
ms |
4,600 (200) |
7,493 (6) |
B+ |
100 |
36Ca |
35.993087 (43) |
|
102 |
ms |
-6,439 (40) |
7,816 (1.1) |
B+ |
100 |
37Ca |
36.985870 (24) |
|
181.1 |
ms |
-13,162 (22) |
8,004.2 (6) |
B+ |
100 |
38Ca |
37.9763185 (49) |
|
440 |
ms |
-22,059.2 (4.6) |
8,240.1 (1.2) |
B+ |
100 |
39Ca |
38.9707197 (20) |
|
859.6 |
ms |
-27,274.4 (1.9) |
8,369.46 (4.8) |
B+ |
100 |
40Ca |
39.96259098 (22) |
96.941 (156) |
stable |
|
-34,846.28 (21) |
8,551.301 (5) |
|
|
41Ca |
40.96227806 (26) |
|
102 |
ky |
-35,137.76 (24) |
8,546.703 (6) |
EC |
100 |
42Ca |
41.95861801 (27) |
0.647 (23) |
stable |
|
-38,547.07 (25) |
8,616.559 (6) |
|
|
43Ca |
42.95876663 (32) |
0.135 (10) |
stable |
|
-38,408.64 (30) |
8,600.659 (7) |
|
|
44Ca |
43.95548175 (40) |
2.086 (110) |
stable |
|
-41,468.48 (38) |
8,658.170 (9) |
|
|
45Ca |
44.95618657 (44) |
|
162.67 |
d |
-40,811.95 (41) |
8,630.540 (9) |
B- |
100 |
46Ca |
45.9536926 (24) |
0.004 (3) |
stable |
|
-43,135.1 (2.3) |
8,668.89 (4.9) |
|
|
47Ca |
46.9545460 (24) |
|
4.536 |
d |
-42,340.1 (2.3) |
8,639.26 (4.8) |
B- |
100 |
48Ca |
47.9525342 (44) |
0.187 (21) |
53 |
Ey |
-44,214.1 (4.1) |
8,666.47 (8.5) |
|
|
49Ca |
48.9556741 (44) |
|
8.718 |
m |
-41,289.3 (4.1) |
8,594.63 (8.3) |
B- |
100 |
50Ca |
49.9575190 (99) |
|
13.9 |
s |
-39,570.8 (9.3) |
8,549.8 (1.8) |
B- |
100 |
51Ca |
50.96150 (10) |
|
10 |
s |
-35,863 (94) |
8,468 (1.8) |
B- |
100 |
52Ca |
51.96510 (75) |
|
4.6 |
s |
-32,510 (700) |
8,400 (13) |
B- |
100 |
53Ca |
52.97005 (54) |
|
90 |
ms |
-27,900 (500) |
8,302 (9) |
B- |
100 |
54Ca |
53.97435 (75) |
|
50 |
ms |
-23,890 (700) |
8,220 (13) |
B- ? |
|
55Ca |
54.98055 (75) |
|
30 |
ms |
-18,120 (700) |
8,120 (13) |
B- ? |
|
56Ca |
55.98557 (97) |
|
10 |
ms |
-13,440 (900) |
8,030 (16) |
B- ? |
|
57Ca |
56.9924 (11) |
|
5 |
ms |
-7,100 (1000) |
7,920 (18) |
B- ? |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005