Dating wine tritium
Tritium is used as a radioactive tracer, in radioluminescent light sources for watches and instruments, and, along with deuterium, as a fuel for nuclear fusion reactions with applications in energy generation and weapons.
The name of this isotope is derived from Greek τρίτος (trítos), meaning "third".
This was discovered when the 1954 Castle Bravo nuclear test produced an unexpectedly high yield.This is due to a fixed production rate and losses proportional to the inventory.According to the Institute for Energy and Environmental Research report in 1996 about the U. Department of Energy, only 225 kg (496 lb) of tritium has been produced in the United States since 1955.This is possible with neutrons of any energy, and is an exothermic reaction yielding 4.8 Me V.In comparison, the fusion of deuterium with tritium releases about 17.6 Me V of energy.
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The low energy of tritium's radiation makes it difficult to detect tritium-labeled compounds except by using liquid scintillation counting.