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date: 24 July 2019

absorber 

Source:
A Dictionary of Chemical Engineering
Author(s):

Carl Schaschke

1. A material that is capable of stopping ionizing radiation. *Alpha particles can be readily stopped by a sheet of paper whereas beta radiation can be resisted by a centimetre of aluminium. Gamma radiation is absorbed by materials with a high density, such as steel and concrete. Neutron absorbers include boron, hafnium, and cadmium and are used in the control rods in nuclear reactors.... ...

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