22NaSodium

²²NaNa-22Натрий-22Sodium-22Natrium-22

Radionuclide characteristics

Half-life, days

950.5700 ± 0.2300

Photon energy

Line
Energy
γ1
511 (annihil.) keV (179.8 ± 0.2 %)
γ2
1274.537 ± 0.003 keV (99.940 ± 0.014 %)

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)

Capsulated sources

Description

22Na is incorporated in a light ceramic matrix and sealed in a welded stainless steel capsule. GNa2.27 source is also available in titanium capsule.

²²Na gamma source, capsule type 11
Capsule type 11
²²Na gamma source, capsule type 27, 12, 13, 14
Capsule type 27, 12, 13, 14
²²Na gamma source, capsule type 15
Capsule type 15
²²Na gamma source, capsule type 16, 17, 18, 19
Capsule type 16, 17, 19, 18
D × H, mm
d × h, mm
Nominal activity, mCi
Nominal activity, MBq
Code
3 × 3
2.1 × 1.5
0.0027–0.27
0.1–10
GNa2.11
3 × 10
2.1 × 1.5
0.0027–0.27
0.1–10
GNa2.12
4 × 10
3.1 × 1.5
0.0027–0.27
0.1–10
GNa2.13
7 × 10
5.2 × 2.5
0.0027–0.27
0.1–10
GNa2.14
8 × 5
4 × 1.2
0.0027–0.27
0.1–10
GNa2.15
10 × 5
8.5 × 1
0.0027–0.27
0.1–10
GNa2.16
12 × 3
8.5 × 1
0.0027–0.27
0.1–10
GNa2.17
30 × 4.5
8.5 × 1
0.0027–0.27
0.1–10
GNa2.18
10 × 4
4 × 1.2
0.0027–0.27
0.1–10
GNa2.19
3 × 5
2.1 × 1.5
0.0027–0.27
0.1–10
GNa2.27

* Tolerance: −10 ÷ +20 %.
Other activities and dimensions are available on request.
ISO classification: C64344 (GNa2.11); C64444 (GNa2.12 ÷ GNa2.19); С66444 (GNa2.27 / Stainless Steel); С65343 (GNa2.27 / Titanium).
Recommended working life: 15 years. Recommended working life of the control source in case of using in control devices is 5 years.

Linear sources

Description

The active centers of the source GNa2.S. are located on a stainless steel strap. Sealing is performed by laser welding.

  • the length is not more than 2100 mm (the tape can consist of several pieces), the width is 12 mm;
  • activity is not more than 10 MBq in total;
  • the number of active centers is not more than 10 pcs.;
  • classification ISO: C64343;
  • recommended working life: 8 years.
²²Na linear gamma source