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IEVref:395-05-41ID:
Language:enStatus: Standard
Term: dose equivalent
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Symbol: H
Definition: product of D and Q at a point in tissue, where D is the absorbed dose, Q is the quality factor at that point

H = D Q

Note 1 to entry: This quantity is expressed in J kg−1 and the special name for the unit of dose equivalent is the sievert (Sv).

Note 2 to entry: The values of Q are specified by the International Commission on Radiological Protection (ICRP). For beta, X, and gamma radiation Q is taken to be equal to unity for external radiation.

Note 3 to entry: The dose equivalent should not be taken as the equivalent dose to a tissue or an organ. It is a separate radiation protection quantity.

Note 4 to entry: This entry was numbered 393-14-72 in IEC 60050-393:2003.


Publication date:2014-03
Source: ICRU Report 51
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