133BaBarium
¹³³BaBa-133Барий-133Barium-133
Radionuclide characteristics
Half-life, days
3848.7000 ± 1.2000
Photon energy
Line
Energy
Cs XKα2
30.625 keV (34.0 ± 0.4 %)
Cs XKα1
30.973 keV (62.8 ± 0.7 %)
Cs XKβ2
34.92–35.26 keV (18.2 ± 0.2 %)
Cs XKβ1
35.82–35.97 keV (4.6 ± 0.1 %)
γ1
53.1622 ± 0.0006 keV (2.14 ± 0.03 %)
γ2
79.6142 ± 0.0012 keV (2.65 ± 0.05 %)
γ3
80.9979 ± 0.0011 keV (32.9 ± 0.3 %)
γ4
276.3989 ± 0.0012 keV (7.16 ± 0.05 %)
γ5
302.8508 ± 0.0005 keV (18.34 ± 0.13 %)
γ6
356.0129 ± 0.0007 keV (62.05 ± 0.19 %)
γ7
383.8485 ± 0.0012 keV (8.94 ± 0.06 %)
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
133Ba is incorporated in a light ceramic matrix and sealed in a welded stainless steel capsule. GBa3.27 source is also available in titanium capsule.
D × H, mm
d × h, mm
Nominal activity, mCi
Nominal activity, MBq
Code
3 × 3
2.1 × 1.5
0.027–3
1–111
GBa3.11
3 × 10
2.1 × 1.5
0.027–3
1–111
GBa3.12
4 × 10
3.1 × 1.5
1–10
37–370
GBa3.13
7 × 10
5.2 × 2.5
1–10
37–370
GBa3.14
8 × 5
4 × 1.2
1–10
37–370
GBa3.15
10 × 5
8.5 × 1
1–10
37–370
GBa3.16
12 × 3
8.5 × 1
1–10
37–370
GBa3.17
30 × 4.5
8.5 × 1
1–10
37–370
GBa3.18
10 × 4
4 × 1.2
1–10
37–370
GBa3.19
3 × 5
2.1 × 1.5
0.027–3
1–111
GBa3.27
* Tolerance: −10 ÷ +20 %.
Other activities and dimensions are available on request.
ISO classification: C64344 (GBa3.11); C64444 (GBa3.12 ÷ GBa3.19); C66444 (GBa3.27 / Stainless Steel); C65343 (GBa3.27 / Titanium).
Recommended working life: 15 years.