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Activation product



Activation products are materials made radioactive by neutron activation.

Additional recommended knowledge

Fission products and actinides produced by neutron absorption of nuclear fuel itself are normally referred to by those specific names, and activation product reserved for products of neutron capture by other materials, such as structural components of the nuclear reactor or nuclear bomb, the reactor coolant, control rods or other neutron poisons, or materials in the environment. All of these, however, need to be handled as radioactive waste.

Activation products in a reactor's primary coolant loop are a main reason why reactors use a chain of two or even three coolant loops linked by heat exchangers.

Fusion reactors will not produce radioactive waste from the fusion product nuclei themselves, which are normally just helium-4, but generate high neutron fluxes, so activation products are a particular concern.

Activation product radionuclides include:

NuclideSee alsoHalflife
Tritium 12.3 y
Beryllium-10 1.53 my
Carbon-14 5600 y
Chlorine-36
Iron-55
Nickel-59
Cobalt-60
Nickel-63
Molybdenum-93
Niobium-93m
Niobium-94
Technetium-99Fission product211 ky
Silver-108m
Cadmium-113m 13 y
Tin-121m[1] 56 y
Sodium-24Fast breeder
Polonium-210LBE


 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Activation_product". A list of authors is available in Wikipedia.
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