Ytterbium 169 is used in applications where a high quality radiography is required and where the working thickness of steel is in the range of 4-15mm. It offers the added benefit of emitting low energy photons resulting in smaller controlled areas being required. It lends itself well to close proximity radiography.
| Half Life: |
32 days |
| Mode of decay: |
Gamma 63-308 keV (avg 145 keV) |
| Exposure Rate (1Ci at 1 metre): |
0.125 mSv/hr |
| Optimum working thickness: |
2mm to 10mm steel |
Further Information:
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