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- • Radioactive Sources
Gamma Spectrum - Tritium H-3 - 24 days
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- Mr Blinky
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Here is a 24 day and 10 hour long accumulation from a glow in the dark Tritium tube, vial, thing. It's just like the ones used in fishing indicators, clocks, watches and military defile markers. Often called 'beta lights'. Total counts: 76,669,829 😄
The massive peak at ~11.8 keV is from Zn Kα X-rays emitted as the Tritium hits the zinc sulphide phosphor and the smaller (~85 keV) peak is most likely from X-ray fluorescence from materials near the detector, or could be backscatter from the detector housing.
My spectrum is ever so slightly out by 2-3 keV as the peak is shown on the chart at around 14 keV, but should be ~11.8 keV, so it is a tiny bit out of calibration.
Archived from radmon.org - originally posted 16/05/2025
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