Lu-177 Gamma Spectrum 1.32mCi sample

Begonnen von rhelectronics, 05. August 2021, 14:58

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rhelectronics

Expired & diluted source Lu-177 from cancer radiotherapy. Activity of the bottle is 1.32mCi at the moment of test.
Spectrum with 63x63 NaI(Tl) probe @distance ~30cm
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rhelectronics

coupon code HAPPYSALE for https://rhelectronics.store

rhelectronics

coupon code HAPPYSALE for https://rhelectronics.store

rhelectronics

coupon code HAPPYSALE for https://rhelectronics.store

NoLi

Und so wird`s hergestellt:

Lutetium - So entsteht ein hoch wirksames Medikament für Krebspatienten



Gruß
Norbert

rhelectronics

Lu-177 spectrum. Calibration is little bit shifted in the device but auto-detection works and all typical peaks of the isotope are here.
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rhelectronics

The sample of Lu-177 decayed for sure, but it has some tiny contamination of Lu-177m.
Here is the Gamma spectrum of meta-stable Lu-177m. RIID software detect it as Lu-177 because 177 is the product of the 177m decay.

for injection the contamination of 177m has no meaning because major part of the isotope is cleaned from the body very fast, but in the bottle it can be still detected. Half-life ~160 days.
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