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Beta radiation sources: Promethium-147 / Pm-147

147Pm
Radionuclide characteristics 
Half-life, days: 958.176 ± 0.073
Photon energy:

XR Kα2 39.522 keV (0.000612±0.000014%)
XR Kα1 40.118 keV (0.001102±0.000023%)
γ121.220±0.017 keV (0.00285% )

Beta particle energy:

β1 max 103.4±0.4 keV (0.00569±0.00023%)
β127.07±0.11 keV
β2 max 224.6±0.4 keV (99.99%)
β261.93±0.16 keV

147Pm incorporated in an enamel, mounted in a glued titanium capsule with 5 µm titanium window, welded.

Quality control
Wipe test





Code Nominal
activity *
Overall diameter, mm Active diameter, mm
mCi GBq
PHC80951 100 3.7 22 15.6
PHC80952 200 7.4
PHC80955 500 18.5

* Tolerance: -10% +25%

ISO classification: C33222

Recommended working life: 5 years

 

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