Enriched Isotopes

Xenon Krypton Selenium Tellurium Tellurium Cadmium Germanium Silicon Carbon Lead Tin Nickel Iron Iridium Tungsten Molybdenum Chromium

Nickel (Ni)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
58Ni >99% 68.0769 Ni, NiNO3
60Ni   26.2231 Ni, NiNO3
61Ni   1.1399 Ni, NiNO3
62Ni   3.6345 Ni, NiNO3
64Ni   0.9256 Ni, NiNO3

Selenium (Se)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
74Se >99% 0.89 Se
76Se >95% 9.37 Se
77Se >70% 7.63 Se
78Se   23.77 Se
80Se >90% 49.61 Se
82Se >95% 8.73 Se

Silicon (Si)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
28Si   92.23 Oxide
29Si   4.67 Oxide
30Si   3.10 Oxide

Tellurium (Te)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
120Te   0.09 TeO2
122Te   2.55 TeO2
123Te >99.3% 0.89 TeO2
124Te >90% (98%) 4.74 TeO2
125Te   7.07 TeO2
126Te   18.84 TeO2
128Te   31.74 TeO2
130Te >90% (>99% possible) 34.08 TeO2

Tin (Sn)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
112Sn In development 1.0 Metal, oxide
114Sn In development 0.7 Metal, oxide
115Sn In development 0.4 Metal, oxide
116Sn In development 14.7 Metal, oxide
117Sn In development 7.7 Metal, oxide
118Sn In development 24.3 Metal, oxide
119Sn In development 8.6 Metal, oxide
120Sn In development 32.4 Metal, oxide
122Sn In development 4.6 Metal, oxide
124Sn In development 5.6 Metal, oxide

Titanium (Ti)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
46Ti >97%; <1%*) 8.25 TiO2, TiCl4
47Ti 7.44 TiO2, TiCl4
48Ti >99% 73.72 TiO2, TiCl4
49Ti   5.41 TiO2, TiCl4
50Ti >90% 5.18 TiO2, TiCl4

* Ti depleted in 46Ti  <1%.

Tungsten (W)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
180W   0.12 W, WO3
182W >90% 26.50 W, WO3
183W   14.31 W, WO3
184W >90% 30.64 W, WO3
186W >98% 28.43 W, WO3

Xenon (Xe)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
124Xe >99% 0.09 Xe
126Xe >99% 0.09 Xe
128Xe   1.92 Xe
129Xe >99% 26.44 Xe
130Xe   4.08 Xe
131Xe >99% 21.18 Xe
132Xe >99% 26.9 Xe
134Xe   10.4 Xe
136Xe >50% 8.9 Xe

Ytterbium (Yb)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
168Yb In development 0.13 Oxide
170Yb In development 3.05 Oxide
171Yb In development 14.3 Oxide
172Yb In development 21,9 Oxide
173Yb In development 16.12 Oxide
174Yb In development 31,8 Oxide
176Yb In development 12.7 Oxide

Molybdenum (Mo)

Isotope Available Enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
92Mo   14.84 Metal
94Mo   9.25 Metal
95Mo <1% *) 15.92 Metal
96Mo   16.68 Metal
97Mo   9.55 Metal
98Mo   24.13 Metal
100Mo   9.63 Metal

* depleted in 95Mo < 1%

Lead (Pb)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
204Pb In development 1.4 Oxide
206Pb In development 24.1 Oxide
207Pb In development 22.1 Oxide
208Pb In development 52.4 Oxide

Krypton (Kr)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
78Kr In development 0.35 Gas
80Kr In development 2.28 Gas
82Kr In development 11.58 Gas
83Kr In development 11.49 Gas
84Kr In development 57.0 Gas
86Kr In development 17.3 Gas

Iron (Fe)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
54Fe In development 5.8 Fe
56Fe In development 91.72 Fe
57Fe In development 2.2 Fe
58Fe In development 0.28 Fe

Iridium (Ir)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
191Ir >80% 37.3 Ir*
193Ir >95% 62.7 Ir*

* Available as iridium-black powder,  metal rods, metal thread, metal pellets, etc.

Zinc (Zn)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
64Zn   48.6 Metal, oxide
66Zn >98% 27.9 Metal, oxide
67Zn >88% 4.1 Metal, oxide
68Zn 99% 18.8 Metal, oxide
70Zn >95% 0.6 Metal, oxide

Germanium (Ge)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
70Ge  97% 20.84 Ge02
72Ge >50% 27.54 Ge02 , GeF4
73Ge   7.73 Ge02
74Ge >97% 36.28 Ge02
76Ge >95% 7.61 Ge02

Chromium (Cr)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
50Cr   4.345 Metal
52Cr   83.789 Metal
53Cr   9.501 Metal
54Cr   2.365 Metal

Carbon (C)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
12C   98.93 N/A
13C In development 1.07 N/A

Cadmium (Cd)

Isotope Maximum available enrichment
(atomic %)
Natural abundance
(atomic %)
Chemical form
106Cd >95% 1.25 Cd, CdO
108Cd   0.89 Cd, CdO
110Cd   12.51 Cd, CdO
111Cd   12.1 Cd, CdO
112Cd >98% 24.13 Cd, CdO
113Cd >94% 12.22 Cd, CdO
114Cd >98% 28.72 Cd, CdO
116Cd >96% 7.47 Cd, CdO
URENCO TV features videos and interviews about URENCO and the wider nuclear industry.
Virtual tour
Welcome to the URENCO Xperience, a virtual tour of our enrichment facilities.

Rate this page

Your Rating:
Your Comments:

Share this story