#{name}

Technical Information

Radionuclides are placed between 2 hot-sealed polyester foils approximatly 125 μm thick each, then mounted in a plexiglass ring.

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

Standard geometries

Production Range

Catalog references	On request
Active diameter
3 mm • 0.12 in	From 3 to 50 mm From 0.12 to 2 in
External diameter
25 mm • 1 in	From 25 to 75 mm From 1 to 3 in
38 mm • 1.5 in
Activity
4 kBq • 0.1 µCi	From 2 to 1 000 kBq From 0.05 to 27 µCi
40 kBq • 1.1 µCi
400 kBq • 11 µCi
700 kBq • 19 µCi
Radionucléide
²²Na, ⁵⁷Co, ⁶⁰Co, ⁸⁸Y, ¹³³Ba, ¹³⁷Cs, ¹⁵²Eu, ²⁴¹Am, Mix 12ML01	^110mAg, ¹³⁹Ce, ⁵¹Cr, ¹³⁴Cs, ⁵⁹Fe, ¹³¹I, ⁵⁴Mn, ²³⁹Pu, ¹¹³Sn (Non-exhaustive list)

Radionuclide	Activity	K=2 measurement uncertainty	Reference
	Under COFRAC* accreditation
²⁴¹Am	4 kBq • 0.11 µCi	≤ 3.5%	AM241 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 3.5%	AM241 EGS [Type] 15
	400 kBq • 11 µCi	≤ 3.5%	AM241 EGS [Type] 20
¹³³Ba	4 kBq • 0.11 µCi	≤ 2%	BA133 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 2%	BA133 EGS [Type] 15
	400 kBq • 11 µCi	≤ 2%	BA133 EGS [Type] 20
	700 kBq • 19 µCi	≤ 2%	BA133 EGS [Type] 25
⁵⁷Co	4 kBq • 0.11 µCi	≤ 2%	CO57 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 1.7%	CO57 EGS [Type] 15
	400 kBq • 11 µCi	≤ 1.7%	CO57 EGS [Type] 20
	700 kBq • 19 µCi	≤ 2.5%	CO57 EGS [Type] 25
⁶⁰Co	4 kBq • 0.11 µCi	≤ 2%	CO60 EGS [Type] 10
	40 kBq • 1.1µCi	≤ 1.5%	CO60 EGS [Type] 15
	400 kBq • 11 µCi	≤ 1.5%	CO60 EGS [Type] 20
	700 kBq • 19 µCi	≤ 1.5%	CO60 EGS [Type] 25
¹³⁷Cs	4 kBq • 0.11 µCi	≤ 2.5%	CS137 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 2%	CS137 EGS [Type] 15
	400 kBq • 11 µCi	≤ 2%	CS137 EGS [Type] 20
	700 kBq • 19 µCi	≤ 2%	CS137 EGS [Type] 25
¹⁵²Eu	4 kBq • 0.11 µCi	≤ 3%	EU152 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 3%	EU152 EGS [Type] 15
	400 kBq • 11 µCi	≤ 3%	EU152 EGS [Type] 20
²²Na	4 kBq • 0.11 µCi	≤ 2%	NA22 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 2%	NA22 EGS [Type] 15
	400 kBq • 11 µCi	≤ 2%	NA22 EGS [Type] 20
	700 kBq • 19 µCi	≤ 2%	NA22 EGS [Type] 25
⁸⁸Y	4 kBq • 0.11 µCi	≤ 2%	Y88 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 2%	Y88 EGS [Type] 15
	400 kBq • 11 µCi	≤ 2%	Y88 EGS [Type] 20
	700 kBq • 0.19 µCi	≤ 2%	Y88 EGS [Type] 25
12ML01**	30 kBq • 0.8 µCi	[3% ; 6% ]	12ML01 EGS [Type] 15

Standard manufacturing tolerance: ± 30% IAEA Category : 5 • ISO2919 Classification : C11111			How to compose the reference ? Replace *[Type]* with the letter *A or E* according to the required geometry. For example: *AM241 EGS A 20*.
* 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. Other geometries are available on request.

Kits

EGS A sources are also available in kits containing 9 sources of 0.11μCi (4kBq), 1.1μCi (40kBq), 11μCi (400kBq), 19μCi (700kBq): ²⁴¹Am, ⁵⁷Co, ⁶⁰Co, ⁵¹Cr, ¹³⁷Cs, ⁵⁴Mn, ²²Na, ⁸⁵Sr, ⁸⁸Y. Other activities are available on request.

#{name}

Technical Information

Radionuclides are deposited in the cavity of a rigid and leaktight plexiglass cylinder. The cavity is sealed with a plexiglass cap.

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

Standard geometries

Production Range

Catalog references	On request
Active diameter
3 mm • 0.12 in	From 3 to 50 mm From 0.12 to 2 in
10 mm • 0.4 in
External diameter
38 mm • 1.5 in	From 25 to 75 mm From 1 to 3 in
Activity
4 kBq • 0.1 µCi	From 2 to 40 000 kBq From 0.05 to 1 081 µCi
40 kBq • 1.1 µCi
400 kBq • 11 µCi
1 500 kBq • 41 µCi
3 500 kBq • 95 µCi
Radionuclide
⁶⁰Co, ¹³³Ba, ¹³⁷Cs, ¹⁵²Eu, ²⁴¹Am	^110mAg, ¹³⁹Ce, ⁵¹Cr, ¹³⁴Cs, ⁵⁹Fe, ¹³¹I, ⁵⁴Mn, ²³⁹Pu, ¹¹³Sn (Non-exhaustive list)

Radionuclide	Activity	K=2 measurement uncertainty	Reference
²⁴¹Am	4 kBq • 0.1 µCi	≤ 5%*	AM241 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	AM241 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	AM241 EGS [Type] 20
¹³³Ba	4 kBq • 0.1 µCi	≤ 5%*	BA133 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	BA133 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	BA133 EGS [Type] 20
	1 500 kBq • 41 µCi	≤ 5%*	BA133 EGS [Type] 30
	3 500 kBq • 95 µCi	≤ 5%*	BA133 EGS [Type] 40
⁵⁷Co	4 kBq • 0.1 µCi	≤ 5%*	CO57 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	CO57 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	CO57 EGS [Type] 20
	1 500 kBq • 41 µCi	≤ 5%*	CO57 EGS [Type] 30
	3 500 kBq • 95 µCi	≤ 5%*	CO57 EGS [Type] 40
⁶⁰Co	4 kBq • 0.1 µCi	≤ 5%*	CO60 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	CO60 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	CO60 EGS [Type] 20
	1 500 kBq • 41 µCi	≤ 5%*	CO60 EGS [Type] 30
	3 500 kBq • 95 µCi	≤ 5%*	CO60 EGS [Type] 40
¹³⁷Cs	4 kBq • 0.1 µCi	≤ 5%*	CS137 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	CS137 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	CS137 EGS [Type] 20
	1 500 kBq • 41 µCi	≤ 5%*	CS137 EGS [Type] 30
	3 500 kBq • 95 µCi	≤ 5%*	CS137 EGS [Type] 40
¹⁵²Eu	4 kBq • 0.1 µCi	≤ 5%*	EU152 EGS [Type] 10
	40 kBq • 1.1 µCi	≤ 5%*	EU152 EGS [Type] 15
	400 kBq • 11 µCi	≤ 5%*	EU152 EGS [Type] 20
	1 500 kBq • 41 µCi	≤ 5%*	EU152 EGS [Type] 30
	3 500 kBq • 95 µCi	≤ 5%*	EU152 EGS [Type] 40

Standard manufacturing tolerance: ± 30% IAEA Category : 5 • ISO2919 Classification : C22212			How to compose the reference ? Replace [Type] with the letter *B or V* according to the required geometry. For example: CS137 EGS B 40.
* 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%.
** Scope N°2-6386 available on www.cofrac.fr or upon request.

Point γ sources

Technical Information

Standard geometries

Production Range

Kits

Technical Information

Standard geometries

Production Range

LEAContact