152EuEuropium

¹⁵²EuEu-152Европий-152Europium-152

Radionuclide characteristics

Half-life, days

4941.0000 ± 7.0000

Photon energy

Line
Energy
Sm XKα2
39.5229 keV (20.8 ± 0.3 %)
Sm XKα1
40.1186 keV (37.7 ± 0.5 %)
Sm XKβ2
45.289–45.731 keV (11.78 ± 0.19 %)
Sm XKβ1
46.575–46.813 keV (3.04 ± 0.08 %)
γ1
121.7817 ± 0.0003 keV (28.41 ± 0.13 %)
γ2
244.6974 ± 0.0008 keV (7.55 ± 0.04 %)
γ3
344.2785 ± 0.0012 keV (26.58 ± 0.12 %)
γ4
411.1165 ± 0.0012 keV (2.237 ± 0.010 %)
γ5
443.965 ± 0.003 keV (3.125 ± 0.014 %)
γ6
778.9045 ± 0.0024 keV (12.96 ± 0.06 %)
γ7
867.380 ± 0.003 keV (4.241 ± 0.023 %)
γ8
964.072 ± 0.018 keV (14.62 ± 0.06 %)
γ9
1085.837 ± 0.010 keV (10.13 ± 0.06 %)
γ10
1089.737 ± 0.005 keV (1.731 ± 0.010 %)
γ11
1112.076 ± 0.003 keV (13.40 ± 0.06 %)
γ12
1212.948 ± 0.011 keV (1.415 ± 0.009 %)
γ13
1299.142 ± 0.008 keV (1.632 ± 0.009 %)
γ14
1408.013 ± 0.003 keV (20.85 ± 0.09 %)

Reference data: Update of x ray and gamma ray decay data standards for detector calibration and other applications (IAEA), volume 1, 2007

Certificates and documentation

  • Special form radioactive material approval certificate No. D/0098/S-96 (Rev. 1) DE (PDF)
  • Certificate of conformity No. ОИАЭ.RU.192 OC.00328 RU (PDF)

Description

152Eu is incorporated in a light ceramic matrix and sealed in a welded stainless steel capsule. GEu2.27 source is also available in titanium capsule.

¹⁵²Eu gamma source, capsule type 11
Capsule type 11
¹⁵²Eu gamma source, capsule type 27, 12, 13, 14
Capsule type 27, 12, 13, 14
¹⁵²Eu gamma source, capsule type 15
Capsule type 15
¹⁵²Eu gamma source, capsule type 16, 17, 18, 19
Capsule type 16, 17, 19, 18
¹⁵²Eu gamma source, capsule type 46
Capsule type 46
D × H, mm
d × h, mm
Nominal activity, mCi
Nominal activity, MBq
Code
3 × 3
2.1 × 1.5
0.0027–0.135
0.1–5
GEu2.11
3 × 10
2.1 × 1.5
0.0027–0.135
0.1–5
GEu2.12
4 × 10
3.1 × 1.5
0.0027–0.135
0.1–5
GEu2.13
7 × 10
5.2 × 2.5
0.0027–0.135
0.1–5
GEu2.14
8 × 5
4 × 1.2
0.0027–0.135
0.1–5
GEu2.15
10 × 5
8.5 × 1
0.0027–0.135
0.1–5
GEu2.16
12 × 3
8.5 × 1
0.0027–0.135
0.1–5
GEu2.17
30 × 4.5
8.5 × 1
0.0027–0.135
0.1–5
GEu2.18
10 × 4
4 × 1.2
0.0027–0.135
0.1–5
GEu2.19
3 × 5
2.1 × 1.5
0.0027–0.135
0.1–5
GEu2.27
6 × 9.5
3 × 4
0.0027–1.35
0.1–50
GEu2.46 **

* Tolerance: −10 ÷ +20 %.
** Heavy-duty capsule type; available on request.
Other activities and dimensions are available on request.
ISO classification: C64344 (GEu2.11); C64444 (GEu2.12 ÷ GEu2.19); C66444 (GEu2.27 / Stainless Steel); C65343 (GEu2.27 / Titanium); C66546 (GEu2.46).
Recommended working life: 15 years.