109CdCadmium
¹⁰⁹CdCd-109Кадмий-109Cadmium-109
Radionuclide characteristics
Half-life, days
Photon energy
461.4 ± 1.2
Ag XKα2: 21.9906 ± 0.0002 keV (28.99 ± 0.26 %)
Ag XKα1: 22.1632 ± 0.0001 keV (54.7 ± 0.4 %)
Ag XKβ2: 24.912–25.146 keV (15.14 ± 0.18 %)
Ag XKβ1: 25.457–25.512 keV (2.63 ± 0.10 %)
γ: 88.0336 ± 0.0011 keV (3.626 ± 0.020 %)
Ag XKα1: 22.1632 ± 0.0001 keV (54.7 ± 0.4 %)
Ag XKβ2: 24.912–25.146 keV (15.14 ± 0.18 %)
Ag XKβ1: 25.457–25.512 keV (2.63 ± 0.10 %)
γ: 88.0336 ± 0.0011 keV (3.626 ± 0.020 %)
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/0097/S-96 (Rev. 1) DE (PDF) EN (PDF) RU (PDF)
- Certificate of conformity No. ОИАЭ.RU.192 OC.00328 RU (PDF)
- NRC Certificate of Competent Authority No. TX-0508-S-116-S EN (PDF)
Disk Sources
Description
109Cd is incorporated in a ceramic matrix, placed in a tungsten inner, and sealed in a welded monel capsule with a brazed beryllium window.
D × H, mm
d × h, mm
Nominal activity
Photon output* (ph/s)·sr⁻¹
Code
8 × 5
5 × 1.2
5 mCi (185 MBq)
1.5 × 10³
XCd9.06
8 × 5
5 × 1.2
10 mCi (370 MBq)
3.0 × 10³
XCd9.06
8 × 5
5 × 1.2
15 mCi (555 MBq)
4.5 × 10³
XCd9.06
8 × 5
5 × 1.2
20 mCi (740 MBq)
6.0 × 10³
XCd9.06
8 × 5
5 × 1.2
40 mCi (1480 MBq)
10.0 × 10³
XCd9.06
10.8 × 5
7 × 1
5 mCi (185 MBq)
1.5 × 10³
XCd9.07
10.8 × 5
7 × 1
10 mCi (370 MBq)
3.0 × 10³
XCd9.07
10.8 × 5
7 × 1
15 mCi (555 MBq)
4.5 × 10³
XCd9.07
10.8 × 5
7 × 1
20 mCi (740 MBq)
6.0 × 10³
XCd9.07
10.8 × 5
7 × 1
40 mCi (1480 MBq)
10.0 × 10³
XCd9.07
10.8 × 5
7 × 1
60 mCi (2220 MBq)
12.5 × 10³
XCd9.07
15 × 5
10.5 × 1
5 mCi (185 MBq)
1.5 × 10³
XCd9.08
15 × 5
10.5 × 1
10 mCi (370 MBq)
3.0 × 10³
XCd9.08
15 × 5
10.5 × 1
15 mCi (555 MBq)
4.5 × 10³
XCd9.08
15 × 5
10.5 × 1
20 mCi (740 MBq)
6.0 × 10³
XCd9.08
15 × 5
10.5 × 1
40 mCi (1480 MBq)
10.0 × 10³
XCd9.08
15 × 5
10.5 × 1
60 mCi (2220 MBq)
12.5 × 10³
XCd9.08
15 × 5
10.5 × 1
80 mCi (2960 MBq)
14.0 × 10³
XCd9.08
15 × 5
10.5 × 1
100 mCi (3700 MBq)
15.0 × 10³
XCd9.08
* Photon output quoted for Ag K X-rays. Tolerance: −10 ÷ +20 %.
** Extended measurement uncertainty ±10 % for k = 2.
ISO classification: C64342 (XCd9.06); C65343 (XCd9.07, XCd9.08).
Recommended working life: 15 years.
Other activities and dimensions are available on request.
Ring Sources
Description
109Cd ring sources are produced in a welded titanium capsule with a soldered beryllium window.
D₁ × D₂ × H, mm
d₁ × d₂ × h, mm
Nominal activity
Code
26 × 16 × 3
23.5 × 18.5 × 1
10–30 mCi (370–1110 MBq)
XCd9.231
30 × 20 × 3
27.5 × 22.5 × 1
10–50 mCi (370–1850 MBq)
XCd9.232
34 × 24 × 3
31.5 × 26.5 × 1
10–70 mCi (370–2590 MBq)
XCd9.233
* Tolerance: −10 ÷ +20 %.
Recommended working life: 5 years.