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Table 4.
Summary of alpha irradiation experiments by bitumen type, specific activity, absorbed dose and dose rate.
| References | Alpha source | Bitumen | Specific activity | Dose rate | Absorbed dose |
|---|---|---|---|---|---|
| (mCi/g) | (Gy/h) | (MGy) | |||
| [35] | 238PuO2 and | Distilled bitumen | 64 and 0.4 | Not specifiedb | Not specified |
| 239PuO2 | |||||
| [26] | 241Am | Mexphalt R85/40 | 0.80 | 90 | 0.56 |
| [36] | Cm2O3 and PuO2 | Ebano 15 et | 4 | 44,5 c | 1.0–24 |
| Mexphalt R85/40 |
b The value reported in the literature is known as dosage rate, although the unit is Ci/g, which is a measure of specific activity.
c Calculated from the literature value 3.9 107 rad.an−1.
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