1. Separation of133Xe from99Mo,131I and uranium, and removal of impurities using gas chromatography.
- Author
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Tabasi, M., Ghannadi-Maragheh, M., Shamsaii, M., and Khanchi, A. R.
- Subjects
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ACIDS , *SEPARATION (Technology) , *CHEMICAL purification , *URANIUM , *SORBENTS , *KRYPTON , *INORGANIC acids , *NITRIC acid - Abstract
Separation and purification of133Xe from acidic solution containing uranium,99Mo and131I has been developed. In the first step of this work, uranium pellets were dissolved under pressure (8-15 bar) in 8M nitric acid solution. Then133 Xe and other gases were conducted to activated charcoal cold trap. Final purification of133Xe from impurities such as NO x, radioiodine and krypton was performed by passing through a molecular sieve preparative chromatographic column using helium as mobile phase. The final recovery of133Xe from the separation-purification process was higher than 98%. Adsorption-desorption behavior of radioxenon on the charcoal and molecular sieves have also been studied and discussed. [ABSTRACT FROM AUTHOR]
- Published
- 2005
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