The Study of Stability of Pt-SDB in Isotopic Exchange between Tritium Oxide and Hydrogen

The stability of Pt-SDB on its catalytic activity and the Pt contained in Pt-SDB have been studied during three years in isotopic exchange between tritium oxide and hydrogen.The convert efficiency of the catalyst declined 10% in first two years and then it is 2% after another two years,when it is used interruptedly.The losing of Pt on Pt-SDB is separately 9.09% and 2.31% after it is washed 2 000 hours by water and immersed in water 525 days.

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