Synthesis and Stability of Liquid Molecular DT

E. M. Fearon; R. G. Garza; C. M. Griffith; S. R. Mayhugh; E. R. Mapoles; J. D. Sater; P. C. Souers; R. T. Tsugawa; J. R. Gaines; G. W. Collins

doi:dx.doi.org/10.13182/FST88-A25243

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Synthesis and Stability of Liquid Molecular DT

E. M. Fearon, R. G. Garza, C. M. Griffith, S. R. Mayhugh, E. R. Mapoles, J. D. Sater, P. C. Souers, R. T. Tsugawa, J. R. Gaines, G. W. Collins

Fusion Science and Technology / Volume 14 / Number 2P2A / September 1988 / Pages 864-868

Tritium Properties and Interactions with Material / Proceedings of the Third Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Toronto, Ontario, Canada, May 1-6, 1988) / dx.doi.org/10.13182/FST88-A25243

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Regular equimolar deuterium-tritium is a mixture of 25 mol% T₂-50% DT-25% D₂. We have synthesized molecular DT of greater purity by the reaction run at 243 K. With both the alcohol and reactor-to-cryostat transfer lines at room temperature, we obtain 88 mol% DT purity. By cooling the alcohol and holding the transfer lines at 80 K, the yield rose to 95% DT. The DT disproportionated to D₂ and T₂ with a 1/e time constant of about 100 hr in the liquid at 20.5 K. Nuclear magnetic resonance data showed that the eventual T₂-DT-D₂ equilibrium is probably a “hot-atom” one.