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γ sources in paper matrix

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Radionuclides are deposited on a filter paper, which is then hot-sealed between two thin polyester foils.

Source activity is measured with Nal scintillators or HPGe semi-conductors.

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Catalog references

On request

Active diameter

43 mm  1.7 in

From 15 to 160 mm

From 0.6 to 6.3 in

45 mm  1.8 in

47 mm  1.9 in

50 mm  2 in

53 mm  2.1 in

60 mm  2.4 in

120 mm  4.7 in

Diamètre Extérieur

51 mm  2.01 in

From 20 to 170 mm

From 0.8 to 6.7 in

53 mm  2.1 in

60 mm  2.4 in

63 mm  2.5 in

70 mm  2.8 in

130 mm  5.1 in

Activité

10 kBq  0.3 µCi

From 1kBq to 1MBq

From 0.03 to 27 µCi

20 kBq  0.5 µCi

40 kBq  1.1 µCi

Radionucléide

Mix 12ML01*

51Cr, 54Mn, 57Co, 60Co, 65Zn, 85Sr, 88Y, 109Cd, 113Sn, 134Cs, 139Ce, 241Am (Non-exhaustive list)

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ESB © LEA - Cyril Crespeau
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ESB-M45-51 ESB-M47-53 ESB-M53
ESB-M43 ESB-M50 ESB-M60
ESB-M120

Radionuclide

Activity

K=2 measurement uncertainty

Reference

 

12ML01*

10 kBq  0.3 µCi

≤ 10%

 

12ML01 ESB [Type] [10KBQ]

 

20 kBq  0.5 µCi

≤ 10%

 

12ML01 ESB [Type] [20KBQ]

 

40 kBq  1.1 µCi

≤ 10%

 

12ML01 ESB [Type] [40KBQ]

 
      

Standard manufacturing tolerance: ± 30%

IAEA Category : 5 • ISO2919 Classification : C11111

How to compose the reference ?

Replace [Type] with the codes M43, M50, M53, M60, M120, M45-51 or M47-53 according to the required geometry.

For example: 12ML01 ESB M47-53 [10KBQ].

* 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. 

 
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