Zinc Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
54Zn | 53.99295 (43) |
|
|
| -6,570 (400) | 7,758 (7) | 2p ? |
|
55Zn | 54.98398 (27) |
| 20 | ms | -14,920 (250) | 7,916 (5) | B+ ? |
|
56Zn | 55.97238 (28) |
| 36 | ms | -25,730 (260) | 8,112 (5) | B+ ? |
|
57Zn | 56.96479 (11) |
| 38 | ms | -32,800 (100) | 8,235 (2) | B+ | 100 |
58Zn | 57.954592 (54) |
| 84 | ms | -42,298 (50) | 8,395.9 (8.6) | B+ | 100 |
59Zn | 58.949264 (40) |
| 182 | ms | -47,260 (37) | 8,474.5 (6.3) | B+ | 100 |
60Zn | 59.941827 (11) |
| 2.38 | m | -54,188 (11) | 8,583.3 (1.8) | B+ | 100 |
61Zn | 60.939511 (17) |
| 89.1 | s | -56,345 (16) | 8,610.3 (2.7) | B+ | 100 |
62Zn | 61.934330 (11) |
| 9.186 | h | -61,171 (10) | 8,679.4 (1.6) | B+ | 100 |
63Zn | 62.9332116 (17) |
| 38.47 | m | -62,213.0 (1.6) | 8,686.28 (2.5) | B+ | 100 |
64Zn | 63.92914222 (73) | 48.63 (60) | stable |
| -66,003.60 (68) | 8,735.90 (1.1) |
|
|
65Zn | 64.92924098 (73) |
| 244.06 | d | -65,911.60 (68) | 8,724.26 (1.1) | B+ | 100 |
66Zn | 65.92603342 (99) | 27.90 (27) | stable |
| -68,899.43 (92) | 8,759.64 (1.4) |
|
|
67Zn | 66.9271273 (10) | 4.10 (13) | stable |
| -67,880.44 (94) | 8,734.15 (1.4) |
|
|
68Zn | 67.9248442 (10) | 18.75 (51) | stable |
| -70,007.22 (96) | 8,755.68 (1.4) |
|
|
69Zn | 68.9265503 (10) |
| 56.4 | m | -68,417.97 (97) | 8,722.73 (1.4) | B- | 100 |
70Zn | 69.9253193 (21) | 0.62 (3) | stable |
| -69,564.6 (2) | 8,729.81 (2.8) |
|
|
71Zn | 70.927722 (11) |
| 2.45 | m | -67,327 (10) | 8,689.0 (1.4) | B- | 100 |
72Zn | 71.9268580 (65) |
| 46.5 | h | -68,131.4 (6.1) | 8,691.61 (8.5) | B- | 100 |
73Zn | 72.929779 (43) |
| 23.5 | s | -65,410 (40) | 8,645.8 (5.5) | B- | 100 |
74Zn | 73.929459 (51) |
| 95.6 | s | -65,709 (47) | 8,642.1 (6.4) | B- | 100 |
75Zn | 74.932937 (76) |
| 10.2 | s | -62,469 (71) | 8,591.3 (9.4) | B- | 100 |
76Zn | 75.933294 (86) |
| 5.7 | s | -62,137 (80) | 8,580 (1.1) | B- | 100 |
77Zn | 76.93696 (13) |
| 2.08 | s | -58,720 (120) | 8,529 (1.6) | B- | 100 |
78Zn | 77.938440 (97) |
| 1.47 | s | -57,343 (90) | 8,506 (1.2) | B- | 100 |
79Zn | 78.94265 (28) |
| 995 | ms | -53,420 (260) | 8,450 (3) | B- | 100 |
80Zn | 79.94434 (18) |
| 545 | ms | -51,840 (170) | 8,426 (2.2) | B- | 100 |
81Zn | 80.95048 (32) |
| 290 | ms | -46,130 (300) | 8,351 (4) | B- | 100 |
82Zn | 81.95442 (54) |
| 100 | ms | -42,460 (500) | 8,303 (6) | B- ? |
|
83Zn | 82.96103 (54) |
| 80 | ms | -36,300 (500) | 8,226 (6) | B- ? |
|
61mZn | 60.939511 (17) |
| <430 | ms | -56,345 (16) | 8,610.3 (2.7) | IT | 100 |
65mZn | 64.92924098 (73) |
| 1.6 | us | -65,911.60 (68) | 8,724.26 (1.1) | IT | 100 |
69mZn | 68.9265503 (10) |
| 13.76 | h | -68,417.97 (97) | 8,722.73 (1.4) | IT~100 |
|
71mZn | 70.927722 (11) |
| 3.96 | h | -67,327 (10) | 8,689.0 (1.4) | B-~100 |
|
73mZn | 72.929779 (43) |
| 13 | ms | -65,410 (40) | 8,645.8 (5.5) | IT | 100 |
77mZn | 76.93696 (13) |
| 1.05 | s | -58,720 (120) | 8,529 (1.6) | IT>50 |
|
78mZn | 77.938440 (97) |
| 319 | ns | -57,343 (90) | 8,506 (1.2) | IT | 100 |
61m1Zn | 60.939511 (17) |
| 140 | ms | -56,345 (16) | 8,610.3 (2.7) | IT | 100 |
73m1Zn | 72.929779 (43) |
| 5.8 | s | -65,410 (40) | 8,645.8 (5.5) | IT | ? |
61m2Zn | 60.939511 (17) |
| <130 | ms | -56,345 (16) | 8,610.3 (2.7) | IT | 100 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005