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Enriched stable Zirconium (Zr) isotopes:
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| Nominal mass |
Accurate mass |
% Natural abundance |
Chemical form |
Enrichment available % |
|
| 90 Zr |
89.9047026 (26) |
51.45 (2) |
oxide, metal |
84 - 99+ |
|
| 91 Zr |
90.9056439 (26) |
11.22 (2) |
oxide, metal |
32 - 96+ |
|
|
| 92 Zr |
91.9050386 (26) |
17.15 (1) |
oxide, metal |
72 - 97+ |
|
| 94 Zr |
93.9063148 (28) |
17.38 (2) |
oxide, metal |
73 - 98+ |
|
| 96 Zr |
95.908275 (4) |
2.80 (1) |
oxide |
53 - 89+ |
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| Zirconium has five stable isotopes, of which a few are used for the production of radioisotopes. Although radioactive Zr-95 is a fission product, it can also produced by neutron irradiation of Zr-94. Zr-96 has been used for the production of the radioisotope Zr-97. Zr-90 can be used for the production of the PET isotope Nb-90. Finally, Zr-90 has been proposed for cladding in nuclear fuel. The use of Zr-90 would lower even further the already low neutron absorption cross section of natural Zr that is currently used as fuel cladding. |
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