Nuclide reference
Fe-59 — Iron-59
Fe-59 की half-life 44.495 d है। मुख्य decay mode: β⁻ decay → Co-59 (100%)।
Identification
- तत्व
- Iron (Fe)
- Atomic number Z
- 26
- Mass number A
- 59
- State
- Radioactive
Key quantities
- Half-life
- 44.495 d
- विशिष्ट गतिविधि
- 1.84e+15 Bq/g
- Gamma constant Γ (H*(10))
- 0.1703 µSv·m²/(MBq·h)
- Dose rate, 1 GBq at 1 m
- ≈ 170 µSv/h
- परिवहन के लिए A1 / A2 (SSR-6)
- 0.9 TBq / 0.9 TBq
- D-value (НП-067-24)
- 0.06 TBq
Decay modes
- β⁻ decay → Co-59 — 100 %
Main gamma lines
| Energy, keV | Yield, % |
|---|---|
| 1,099.25 | 56.5 |
| 1,291.59 | 43.2 |
| 192.343 | 3.08 |
| 142.651 | 1.02 |
| 334.8 | 0.27 |
| 1,481.7 | 0.059 |
| 382 | 0.018 |
| 6.93 · X-ray line | 0.01201 |
| 189 | 0.0009 |
Lines of the bare nuclide (ENDF/B-VIII.0), without daughter ingrowth.
Alpha and beta particles
| Radiation | Energy, keV | Yield, % |
|---|---|---|
| β⁻, E max | 465.94 | 53.1 |
| 273.6 | 45.3 | |
| 130.95 | 1.31 | |
| 1,565.2 | 0.18 |
For β⁻ the endpoint (maximum) energy of the spectrum is given. ENDF/B-VIII.0.
Related calculators
इसी element के अन्य isotopes
Reference data vs computed valuesHalf-life, gamma lines and D-value are reference data (ENDF/B-VIII.0, НП-067-24).Gamma constant Γ 1 m पर H*(10) है, ICRP-107 spectra (NIST µ_en/ρ, ICRP-74 Table A.21) से गणना की गई, equilibrium में short-lived progeny सहित (जैसे Cs-137/Ba-137m, Ra-226 series); specific activity molar mass M ≈ mass number A का उपयोग करती है।Dose rate example: point source, no shielding or scatter, Ḣ = Γ·A/r².K-series X-ray energies are from NIST SRD 128 (Deslattes et al., 2003): in ENDF/B-VIII.0 they are given to 1 % and shifted by up to 0.7 keV for heavy elements. L-series lines and all yields are ENDF/B-VIII.0.