two methods of tritium??
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Tritiated hydrocarbons may be prepared by Kolbe electrolysis of carboxylic acids which have been labelled by catalytic exchange in tritiated water.
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Tritium has an atomic mass of 3.0160492 u. Diatomic tritium (
T
2 or 3
H
2) is a gas atstandard temperature and pressure. Combined with oxygen, it forms a liquid calledtritiated water (
T
2
O
).
Tritium's specific activity is 9,650 curies pergram (3.57×1014 Bq/g).[20]
Tritium figures prominently in studies ofnuclear fusion because of its favorable reaction cross section and the large amount of energy (17.6 MeV) produced through its reaction with deuterium:
3
1T
+ 2
1D
→ 4
2He
+
n
All atomic nuclei, being composed of protons and neutrons, repel one another because of their positive charge. However, if the atoms have a high enough temperature and pressure (for example, in the core of the Sun), then their random motions can overcome such electrical repulsion (called the Coulomb force), and they can come close enough for the strong nuclear force to take effect, fusing them into heavier atoms.
The tritium nucleus, containing one proton and two neutrons,[7] has the same charge as the nucleus of ordinary hydrogen, and it experiences the same electrostatic repulsive force when brought close to another atomic nucleus. However, the neutrons in the tritium nucleus increase the attractive strong nuclear force when brought close enough to another atomic nucleus. As a result, tritium can more easily fuse with other light atoms, compared with the ability of ordinary hydrogen to do so.
The same is true, albeit to a lesser extent, of deuterium. This is why brown dwarfs (so-called failed stars) cannot utilize ordinary hydrogen, but they do fuse the small minority of deuterium nuclei.
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T
2 or 3
H
2) is a gas atstandard temperature and pressure. Combined with oxygen, it forms a liquid calledtritiated water (
T
2
O
).
Tritium's specific activity is 9,650 curies pergram (3.57×1014 Bq/g).[20]
Tritium figures prominently in studies ofnuclear fusion because of its favorable reaction cross section and the large amount of energy (17.6 MeV) produced through its reaction with deuterium:
3
1T
+ 2
1D
→ 4
2He
+
n
All atomic nuclei, being composed of protons and neutrons, repel one another because of their positive charge. However, if the atoms have a high enough temperature and pressure (for example, in the core of the Sun), then their random motions can overcome such electrical repulsion (called the Coulomb force), and they can come close enough for the strong nuclear force to take effect, fusing them into heavier atoms.
The tritium nucleus, containing one proton and two neutrons,[7] has the same charge as the nucleus of ordinary hydrogen, and it experiences the same electrostatic repulsive force when brought close to another atomic nucleus. However, the neutrons in the tritium nucleus increase the attractive strong nuclear force when brought close enough to another atomic nucleus. As a result, tritium can more easily fuse with other light atoms, compared with the ability of ordinary hydrogen to do so.
The same is true, albeit to a lesser extent, of deuterium. This is why brown dwarfs (so-called failed stars) cannot utilize ordinary hydrogen, but they do fuse the small minority of deuterium nuclei.
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