Zirconium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
78Zr | 77.95523 (54) |
| 50 | ms | -41,700 (500) | 8,205 (6) | B+ ? |
|
79Zr | 78.94916 (43) |
| 56 | ms | -47,360 (400) | 8,275 (5) | B+ | 100 |
80Zr | 79.9404 (16) |
| 4.6 | s | -55,500 (1500) | 8,370 (19) | B+ | 100 |
81Zr | 80.93721 (18) |
| 5.5 | s | -58,490 (170) | 8,407 (2.1) | B+ | 100 |
82Zr | 81.93109 (24) |
| 32 | s | -64,190 (220) | 8,473 (3) | B+ | 100 |
83Zr | 82.92865 (10) |
| 41.6 | s | -66,459 (96) | 8,495 (1.2) | B+ | 100 |
84Zr | 83.92325 (21) |
| 25.9 | m | -71,490 (200) | 8,550 (2) | B+ | 100 |
85Zr | 84.92147 (11) |
| 7.86 | m | -73,150 (100) | 8,564 (1.2) | B+ | 100 |
86Zr | 85.916474 (32) |
| 16.5 | h | -77,804 (30) | 8,612.1 (3.5) | B+ | 100 |
87Zr | 86.9148163 (90) |
| 1.68 | h | -79,348.2 (8.3) | 8,623.67 (9.6) | B+ | 100 |
88Zr | 87.910227 (11) |
| 83.4 | d | -83,623 (10) | 8,666.0 (1.2) | EC | 100 |
89Zr | 88.9088895 (40) |
| 78.41 | h | -84,868.9 (3.7) | 8,673.28 (4.2) | B+ | 100 |
90Zr | 89.9047044 (25) | 51.45 (40) | stable |
| -88,767.3 (2.4) | 8,709.91 (2.6) |
|
|
91Zr | 90.9056458 (25) | 11.22 (5) | stable |
| -87,890.4 (2.3) | 8,693.26 (2.6) |
|
|
92Zr | 91.9050408 (25) | 17.15 (8) | stable |
| -88,453.9 (2.3) | 8,692.62 (2.5) |
|
|
93Zr | 92.9064760 (25) |
| 1.53 | My | -87,117.0 (2.3) | 8,671.57 (2.5) | B- | 100 |
94Zr | 93.9063152 (26) | 17.38 (28) | stable |
| -87,266.8 (2.4) | 8,666.77 (2.6) |
|
|
95Zr | 94.9080426 (26) |
| 64.032 | d | -85,657.8 (2.4) | 8,643.57 (2.5) | B- | 100 |
96Zr | 95.9082734 (30) | 2.80 (9) | 24 | Ey | -85,442.8 (2.8) | 8,635.37 (2.9) |
|
|
97Zr | 96.9109531 (30) |
| 16.9 | h | -82,946.6 (2.8) | 8,603.82 (2.9) | B- | 100 |
98Zr | 97.912735 (21) |
| 30.7 | s | -81,287 (20) | 8,581.5 (2) | B- | 100 |
99Zr | 98.916512 (22) |
| 2.1 | s | -77,768 (20) | 8,540.8 (2) | B- | 100 |
100Zr | 99.917762 (38) |
| 7.1 | s | -76,604 (36) | 8,524.4 (3.6) | B- | 100 |
101Zr | 100.921140 (34) |
| 2.3 | s | -73,457 (31) | 8,488.8 (3.1) | B- | 100 |
102Zr | 101.922981 (54) |
| 2.9 | s | -71,742 (51) | 8,467.9 (5) | B- | 100 |
103Zr | 102.92660 (12) |
| 1.3 | s | -68,370 (110) | 8,431 (1.1) | B- | 100 |
104Zr | 103.92878 (43) |
| 1.2 | s | -66,340 (400) | 8,408 (4) | B- | 100 |
105Zr | 104.93305 (43) |
| 600 | ms | -62,360 (400) | 8,367 (4) | B- | 100 |
106Zr | 105.93591 (54) |
| 200 | ms | -59,700 (500) | 8,339 (5) | B- ? |
|
107Zr | 106.94075 (32) |
| 150 | ms | -55,190 (300) | 8,295 (3) | B- ? |
|
108Zr | 107.94396 (64) |
| 80 | ms | -52,200 (600) | 8,265 (6) | B- ? |
|
109Zr | 108.94924 (54) |
| 60 | ms | -47,280 (500) | 8,218 (5) | B- ? |
|
110Zr | 109.95287 (86) |
| 30 | ms | -43,900 (800) | 8,186 (7) | B- ? |
|
83mZr | 82.92865 (10) |
| 530 | ns | -66,459 (96) | 8,495 (1.2) | IT | 100 |
85mZr | 84.92147 (11) |
| 10.9 | s | -73,150 (100) | 8,564 (1.2) | IT LE 92 |
|
87mZr | 86.9148163 (90) |
| 14 | s | -79,348.2 (8.3) | 8,623.67 (9.6) | IT | 100 |
89mZr | 88.9088895 (40) |
| 4.161 | m | -84,868.9 (3.7) | 8,673.28 (4.2) | IT | 93.77 12 |
90mZr | 89.9047044 (25) |
| 809.2 | ms | -88,767.3 (2.4) | 8,709.91 (2.6) | IT | 100 |
91mZr | 90.9056458 (25) |
| 4.35 | us | -87,890.4 (2.3) | 8,693.26 (2.6) | IT | 100 |
83m1Zr | 82.92865 (10) |
| 8 | s | -66,459 (96) | 8,495 (1.2) | B+ | 100 |
90m1Zr | 89.9047044 (25) |
| 131 | ns | -88,767.3 (2.4) | 8,709.91 (2.6) | IT | 100 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005