Abstract
At present, there are two ways to produce 99Mo in a reactor: 1) fission process—from U fission product by reaction 235U (n, f) 99Mo and 2) activation process—by radiation capture reaction 98Mo (n, γ) 99Mo. This paper presents the results of experiments performed with molybdenum carbide nano-powder to produce 99Mo. These results show the implementation of the above idea in practice.
Highlights
At present, there are two ways to produce 99Mo in a reactor: 1) fission process—from U fission product by reaction 235U (n, f) 99Mo and 2) activation process—by radiation capture reaction 98Mo (n, γ) 99Mo.The main advantage of 99Mo production from U fission products is a possibility to have large amounts of the final radionuclide 99Mo of a high specific activity per one production cycle with practically no carrier
This paper presents the results of experiments performed with molybdenum carbide nano-powder to produce 99Mo
These results show the implementation of the above idea in practice
Summary
There are two ways to produce 99Mo in a reactor: 1) fission process—from U fission product by reaction 235U (n, f) 99Mo and 2) activation process—by radiation capture reaction 98Mo (n, γ) 99Mo. The irradiated target is reprocessed by dissolving molybdenum oxide in alkali with further correction of the solution composition depending on the way of the generator production [2]. The solution, along with the final 99Mo, contains a significant amount of a carrier (nonactivated 99Mo and other Mo isotopes if a target was made from natural Mo) In this case, the specific activity of produced 99Mo is about 1-5 Ci/g [3]. Atoms of non-uniform elements achieved the surface have an advantage from the energy viewpoint since they can concentrate on grain surfaces. In this case, they can be dissolved chemically in alkali or acid solutions. These results show the implementation of the above idea in practice
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