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Weights and Measures / Radiological Measure
| activity |
| Number of decays (disintegrations) per second. The former measure Curie (Ci) was related to the activity of 1 gram radium with 3.7*1010 decays per second. |
| 1 Bequerel (Bq) |
= 1/s |
= 2.7*10-11 Curie (Ci) |
| 1 Ci |
= 3.7*1010 Bq |
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| energy dose |
| Total absorbed radiation energy per mass. The former measure Rad (rd) is no longer valid. |
| 1 Gray (Gy) |
= 1 Joule/kg |
= 100 Rad (rd) |
| 1 rd |
= 0.01 Gy |
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| equivalent dose |
| The equivalent dose is defined as product of energy dose and a non-dimensional Q-factor (quality factor) for the biological action quantity of the respective type of radiation. The former measure Rem (rem) is no longer valid. |
| 1 Sievert (Sv) |
= 1 Joule/kg |
= 1 100 Rem (rem) |
| 1 rem |
= 0.01 Sv |
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| ion dose |
| Electrical charge of ions produced in 1 kilogram air by radiation. There is no special name for the measure. The former measure Röntgen (R) is no longer valid. |
| 1 C/kg |
= 1 Coulomb per kilogramm |
= 3.876 Röntgen (R) |
| 1 R |
= 2.58*10-4 C/kg |
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Any information or specifications given without responsibility nor guarantee.
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