Dose calibrator sources

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The dose calibrators are sealed sources, made in a plastic bottle allowing easy and safe handling. The radionuclide is distributed homogeneously within a thermosetting resin. The radionuclides supplied by the LEA emit gamma rays close to those of the radionuclides most used in nuclear medicine (¹⁸F, ⁹⁹^mTc, ¹²³I, ¹³¹I, ¹¹¹In, ²⁰¹Tl).

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Radionuclide	Activity	k=2 measurement uncertainty		Référence
¹³³Ba	10 MBq • 0.27 mCi	≤3%*		BA133 EGA F 50
	20 MBq • 0.54 mCi	≤3%*		BA133 EGA F 55
⁵⁷Co	100 MBq • 2.7 mCi	≤3%*		CO57 EGA F 80
	200 MBq • 5.4 mCi	≤3%*		CO57 EGA F 90
	370 MBq • 10 mCi	≤3%*		CO57 EGA F 100
¹³⁷Cs	10 MBq • 0.27 mCi	≤3%*		CS137 EGA F 50
	20 MBq • 0.54 mCi	≤3%*		CS137 EGA F 55
Manufacturing tolerance: -15% / +30% IAEA Category : 5 • ISO2919 Classification : C22212			** Scope N°2-6386 available on www.cofrac.fr or upon request.
* The calibration of sources can be performed on request, according to COFRAC** accredited protocols. The measurement uncertainties at k=2 are lower than or equal to 3%.			Other nuclides can be provided on request (⁶⁰Co...)

Dose calibrator sources

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