Point X sources
Radionuclides are placed between 2 hot-sealed polyester foils approximatly 75 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.
Catalog references | On request |
Active Diameter | |
3 mm • 0.12 in | From 3 to 50 mm From 0.12 to 2 in |
Diamètre extérieur | |
38 mm • 1.5 in | From 25 to 75 mm From 1 to 3 in |
Flux 4π sr | |
16 000 X.s-1 | From 1 000 X.s-1 to 400 000 X.s-1 |
Radionucléide | |
55Fe, 109Cd | 85Sr, 65Zn |
Radionuclide | Flux X 4π sr | K=2 measurement uncertainty | Equivalent activity | Reference | |||
Under COFRAC* accreditation | |||||||
109Cd | 16 000 | X.s-1 | ≤ 5% | 15.7 kBq • 0.42 µCi | CD109 EXS B 10 | ||
55Fe | 16 000 | X.s-1 | ≤ 5% | 56.3 kBq • 1.5 µCi | FE55 EXS B 10 | ||
Standard manufacturing tolerance: ± 30% IAEA Category : 5 • ISO2919 Classification : C11111 | * Scope N°2-6386 available on www.cofrac.fr or upon request. | ||||||