IEVref: | 881-12-06 | ID: | |

Language: | en | Status: Standard | |

Term: | absorbed dose | ||

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Symbol: | D
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Definition: | the quotient of $\text{d}\overline{\epsilon}$ by dm, where $\text{d}\overline{\epsilon}$ is the mean energy imparted by ionizing radiation to matter of mass dm$D=\frac{\text{d}\overline{\epsilon}}{\text{d}m}$
NOTE – The SI unit of absorbed dose is joule per kilogram, whose special name is gray (Gy). The earlier special unit of absorbed dose, still in temporary use, was the rad.
1 Gy = 1 J kg | ||

Publication date: | 1983-01 | ||

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$D=\frac{\text{d}\overline{\epsilon}}{\text{d}m}$

^{−1} = 100 rad