γ sources in resin matrix

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Radionuclides are incorporated into a thermosetting resin, which is then poured into container.

Our resin sources are sealed sources and are characterized by water equivalent activity, to avoid risks and constraints associated with liquid sources.

The radiological characteristics of the sources are measured with calibrated Nal scintillators or HPGe semi-conductors.

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Catalog references	On request
Container
15 ml 50 ml 250 ml 450 ml 500 ml 1 000 ml 3 000 ml	Any type of container with a volume between 10 ml and 3 000 ml
Activity
5 kBq • 0.14 µCi 18 kBq • 0.5 µCi 37 kBq • 1 µCi 55 kBq • 1.5 µCi 74 kBq • 2 µCi	De 0.1 kBq à 1 MBq From 0.003 to 27 µCi
Radionuclide
¹³³Ba, ¹³⁷Cs, ¹⁵²Eu, Mix 12ML01	⁵¹Cr, ⁵⁴Mn, ⁵⁷Co, ⁶⁰Co, ⁶⁵Zn, ⁸⁵Sr, ⁸⁸Y, ¹⁰⁹Cd, ¹¹³Sn, ¹³⁴Cs, ¹³⁷Cs, ¹³⁹Ce, ²⁴¹Am (Non-exhaustive list)

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Radionuclide	Water equivalent activity	k=2 measurement uncertainty		Reference
	Under COFRAC* accreditation
¹⁵²Eu	37 kBq • 1 µCi	≤ 5%		EU152 EGR [Type] 15
¹³³Ba	37 kBq • 1 µCi	≤ 5%		BA133 EGR [Type] 15
¹³⁷Cs	37 kBq • 1 µCi	≤ 5%		CS137 EGR [Type] 15
12ML01**	5 kBq • 0.14 µCi	[ 3% ; 6% ]		12ML01 EGR [Type] 05
	18 kBq • 0.5 µCi	[ 3% ; 6% ]		12ML01 EGR [Type] 10
	37 kBq • 1 µCi	[ 3% ; 6% ]		12ML01 EGR [Type] 15
	55 kBq • 1.5 µCi	[ 3% ; 6% ]		12ML01 EGR [Type] 20
	74 kBq • 2 µCi	[ 3% ; 6% ]		12ML01 EGR [Type] 30

Standard manufacturing tolerance: ± 30% IAEA Category : 5 • ISO2919 Classification: C11111			How to compose the reference ? Replace *[Type]* with the letter *E, F, G, H, I, K, L, M or R* according to the required geometry. For example: *BA133 EGR E 15*.
* Scope N°2-6386 available on www.cofrac.fr or upon request.
** The 12ML01 mixture – ²⁴¹Am, ¹⁰⁹Cd, ¹³⁹Ce, ⁵⁷Co, ⁶⁰Co, ⁵¹Cr, ¹³⁷Cs, ¹¹³Sn, ⁵⁴Mn, ⁶⁵Zn, ⁸⁵Sr, ⁸⁸Y – generates around 15 peaks over an energy range from 60 keV to 1836 keV. The quantity of each radionuclide is chosen so that the counting rates of the main peak of each radionuclide are the same order of magnitude.

γ sources in resin matrix

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