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X-ray radiation sources: Iron-55 / Fe-55

55Fe
Radionuclide characteristics
Half-life, days: 1002.7 ± 2.3
Photon energy:

Mn XKα5.8988 keV (16.56±0.27%)
Mn XKβ6.49-6.54 keV (3.4±0.7%)
55Fe is electrochemically deposited on copper backing and sealed in a welded monel metal capsule with brazed beryllium window.


CodeNominal
activity *
Typical photon output for Mn KX *, (ph/sec)
10-4 steradian
DxH, mmd, mm
mCi MBq
XFe5.21
51850.3x1038x54
103700.6x103
207401.2x103
3011001.8x103
4014802.4x103
6022203.6x103
XFe5.2251850.3x10310,8x57.2
207401.2x103
4014802.4x103
8029604.8x103
1003700
6.0x103
15055509.0x103
XFe5.2351850.3x10315x510.6
4014802.4x103
10037006.0x103
15055509.0103
200
740012.0x103
250
925015.0x103
XFe5.2410 370 0.6x103 22x518
8029604.8x103
10037006.0x103
200740012.0x103
3001110018.0x103
5001850030.0x103

* Tolerance: ±10%

ISO classification: C64343

Recommended working life: 15 years

Other dimensions and activities are available on request

 

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