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Radionuclide Dosimetric Data Sheets
Platinum-184
Summary data
General
Classification
Isotope: Pt-184
Atomic number (Z): 78
Mass number (A): 184
Neutron number (N): 106
Radioactive decay
Decay modes: α, β+, Electron capture
Half-life: 17.3 [m]
Decay constant: 6.6777e-04 [1/s]
Daughters: Ir-184 (100.0%), Os-180 (0.0017%)
Radioactive daughters: Ir-184, Os-180
Dosimetric constants
Mean alpha energy: 0.0 [MeV]
Mean electron energy: 0.20038 [MeV]
Mean photon energy: 0.72661 [MeV]
Air kerma rate constant, Γ10: 4.653e-17 [Gy·m2/Bq·s]
Air kerma coefficient, Kair: 4.659e-17 [Gy·m2/Bq·s]
Equilibrium dose constant for weakly-penetrating radiations (α and/or
electrons), Δwp: 3.210e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for alphas, Δα: 0.000e+00
[Gy·kg/Bq·s]
Equilibrium dose constant for betas/electrons, Δβ-,β+,e-:
3.210e-14 [Gy·kg/Bq·s]
Equilibrium dose constant for photons, Δp: 1.164e-13
[Gy·kg/Bq·s]
Summary spectra (plot)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Download tabulated summary spectra file here: www.mirdsoft.org/products/MIRDspecs/Pt-184 Summary Spectrum.csv
Beta spectra (plot)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Download tabulated beta spectra file here: www.mirdsoft.org/products/MIRDspecs/Pt-184 Beta Spectrum.csv
Tabulated data
Summary spectra (table)
Spectra source: ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations. Ann. ICRP 2008, 38 (3).
Note: Radiations with yield < 0.01 are excluded from the table, but are available in the linked *.csv data.
Download tabulated summary spectra file here: www.mirdsoft.org/products/MIRDspecs/Pt-184 Summary Spectrum.csv
|
Energy [MeV] |
Yield [#/nt] if > 0.01 |
Radiation type |
|
4.53406e-05 |
2.809e+01 |
X-ray |
|
1.99445e-03 |
1.315e-01 |
X-ray |
|
8.06830e-03 |
2.499e-02 |
X-ray |
|
9.09081e-03 |
4.315e-02 |
X-ray |
|
9.16923e-03 |
3.804e-01 |
X-ray |
|
1.04958e-02 |
2.588e-02 |
X-ray |
|
1.07358e-02 |
2.096e-01 |
X-ray |
|
1.08570e-02 |
3.090e-02 |
X-ray |
|
1.09194e-02 |
6.964e-02 |
X-ray |
|
1.25485e-02 |
4.042e-02 |
X-ray |
|
6.34550e-02 |
4.953e-01 |
X-ray |
|
6.50999e-02 |
8.495e-01 |
X-ray |
|
6.76000e-02 |
5.054e-02 |
Gamma |
|
7.07000e-02 |
2.261e-01 |
Gamma |
|
7.34138e-02 |
9.265e-02 |
X-ray |
|
7.37750e-02 |
1.792e-01 |
X-ray |
|
7.57436e-02 |
2.147e-02 |
X-ray |
|
7.58295e-02 |
4.180e-02 |
X-ray |
|
9.27000e-02 |
5.320e-02 |
Gamma |
|
1.17000e-01 |
2.421e-02 |
Gamma |
|
1.44400e-01 |
1.011e-02 |
Gamma |
|
1.49300e-01 |
1.250e-02 |
Gamma |
|
1.54800e-01 |
3.059e-01 |
Gamma |
|
1.61400e-01 |
1.463e-02 |
Gamma |
|
1.82700e-01 |
1.968e-02 |
Gamma |
|
1.92000e-01 |
2.660e-01 |
Gamma |
|
2.09300e-01 |
1.596e-02 |
Gamma |
|
2.11700e-01 |
1.197e-02 |
Gamma |
|
2.16200e-01 |
2.660e-02 |
Gamma |
|
2.16900e-01 |
2.421e-02 |
Gamma |
|
2.25800e-01 |
2.128e-02 |
Gamma |
|
2.30700e-01 |
2.208e-02 |
Gamma |
|
2.78300e-01 |
1.091e-02 |
Gamma |
|
3.28700e-01 |
1.117e-02 |
Gamma |
|
3.94300e-01 |
5.054e-02 |
Gamma |
|
4.15500e-01 |
1.091e-02 |
Gamma |
|
4.71300e-01 |
1.596e-02 |
Gamma |
|
4.99400e-01 |
1.490e-02 |
Gamma |
|
5.32300e-01 |
1.170e-02 |
Gamma |
|
5.48300e-01 |
2.314e-01 |
Gamma |
|
6.10500e-01 |
3.458e-02 |
Gamma |
|
6.31600e-01 |
1.011e-02 |
Gamma |
|
7.09800e-01 |
2.128e-02 |
Gamma |
|
7.31200e-01 |
1.277e-01 |
Gamma |
|
3.54131e-05 |
5.388e+00 |
Auger electron |
|
1.71031e-04 |
9.223e+00 |
Auger electron |
|
3.54575e-04 |
1.917e+00 |
Auger electron |
|
3.63868e-04 |
4.149e-01 |
Auger electron |
|
5.82444e-04 |
9.028e-01 |
Auger electron |
|
1.64242e-03 |
4.447e+00 |
Auger electron |
|
1.84294e-03 |
3.918e-01 |
Auger electron |
|
2.15033e-03 |
1.942e-02 |
Auger electron |
|
4.88600e-03 |
3.087e-02 |
Conversion electron |
|
7.08585e-03 |
1.276e+00 |
Auger electron |
|
9.06100e-03 |
3.557e-02 |
Conversion electron |
|
9.06344e-03 |
5.176e-01 |
Auger electron |
|
9.18600e-03 |
5.388e-02 |
Conversion electron |
|
1.10734e-02 |
5.149e-02 |
Auger electron |
|
1.16000e-02 |
1.084e-02 |
Conversion electron |
|
1.63860e-02 |
3.507e-01 |
Conversion electron |
|
2.91860e-02 |
1.326e-02 |
Conversion electron |
|
3.60040e-02 |
5.189e-02 |
Conversion electron |
|
3.90040e-02 |
2.346e-02 |
Conversion electron |
|
4.06860e-02 |
1.422e-02 |
Conversion electron |
|
4.50040e-02 |
2.369e-02 |
Conversion electron |
|
4.68610e-02 |
1.577e-02 |
Conversion electron |
|
5.13520e-02 |
4.753e-02 |
Auger electron |
|
5.42040e-02 |
1.157e-01 |
Conversion electron |
|
5.47410e-02 |
4.831e-02 |
Conversion electron |
|
5.63860e-02 |
3.747e-02 |
Conversion electron |
|
5.73040e-02 |
4.882e-01 |
Conversion electron |
|
5.78410e-02 |
4.617e-02 |
Conversion electron |
|
6.15157e-02 |
2.532e-02 |
Auger electron |
|
6.27860e-02 |
1.285e-02 |
Conversion electron |
|
6.33860e-02 |
1.382e-02 |
Conversion electron |
|
6.50610e-02 |
4.850e-02 |
Conversion electron |
|
6.76000e-02 |
1.447e-02 |
Conversion electron |
|
6.80860e-02 |
1.387e-02 |
Conversion electron |
|
6.81610e-02 |
1.246e-01 |
Conversion electron |
|
7.07000e-02 |
3.807e-02 |
Conversion electron |
|
7.29860e-02 |
1.780e-02 |
Conversion electron |
|
7.84860e-02 |
5.231e-02 |
Conversion electron |
|
7.93040e-02 |
5.218e-02 |
Conversion electron |
|
8.50860e-02 |
1.572e-02 |
Conversion electron |
|
9.01610e-02 |
1.331e-02 |
Conversion electron |
|
1.04141e-01 |
1.817e-02 |
Conversion electron |
|
1.05786e-01 |
1.485e-02 |
Conversion electron |
|
1.06386e-01 |
1.880e-02 |
Conversion electron |
|
1.15686e-01 |
1.758e-01 |
Conversion electron |
|
1.32986e-01 |
1.044e-02 |
Conversion electron |
|
1.39886e-01 |
1.490e-02 |
Conversion electron |
|
1.40586e-01 |
1.143e-02 |
Conversion electron |
|
1.49486e-01 |
4.739e-02 |
Conversion electron |
|
1.54386e-01 |
1.072e-02 |
Conversion electron |
|
1.78604e-01 |
2.558e-02 |
Conversion electron |
Useful Links
Isotope decay characteristics are periodically updated as better measurements can be made - changes that may not be reflected on this page. Please see useful links:
National Nuclear Data Center (NNDC): https://www.nndc.bnl.gov/nudat3/mird/
International Atomic Energy Agency (IAEA) Livechart: https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html
Reference Links
ICRP Report 107: https://www.icrp.org/publication.asp?id=ICRP%20Publication%20107
Graves et al. Dose Point Kernels: https://doi.org/10.1002/mp.13789
MIRD Decay Schemes 2nd Edition: https://sites.snmmi.org/SNMMI-MAIN/iCore/Store/StoreLayouts/Item_Detail.aspx?iProductCode=0-932004-80-6
MIRDsoft MIRDspecs version 20250101 (www.mirdsoft.org)
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