IEVref:881-04-26ID:
Language:enStatus: Standard
Term: absorption coefficient
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Definition: of a substance, for a parallel beam of radiation, the quantity μabs in the expression μabsdх for the fraction of energy absorbed in passing through a thin layer of thickness dх of that substance. It is a function of the energy of the radiation. According as to whether dх is expressed in terms of length, mass per unit area, moles per unit area, or atoms per unit area μabs is called the linear, mass, molar, or atomic absorption coefficient


Publication date:1983-01
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