Commonly used isotope information
- Radioactive Half-life: 5730 years
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 0.156 MeV (156 keV) maximum energy
- Radiation Detection: Thin window GM, LSC (LS) counting
- Radiation Hazard: Normally no external radiation hazard
- Shielding: Not necessary, normal laboratory safety precaution
- Radioactive Half-life: 2.62 years
- Decay Mechanism: Positron
- Major Radiation: gamma
- Energy: 1.275, 0.511 MeV
- Radiation Detection: GM, ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 14.3 days
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 1.709 MeV maximum energy
- Radiation Detection: Thin window GM, LS counting
- Radiation Hazard: Beta (possible x-ray radiation)
- Shielding: 1 cm Lucite
- Radioactive Half-life: 25 days
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 0.248 MeV (248 keV) maximum energy
- Radiation Retection: Thin window GM, LSC
- Radiation Hazard: Normally no external radiation hazard
- Shielding: Not necessary, normal laboratory safety precaution
- Radioactive Half-life: 87.9 days
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 0.167 MeV (167 keV) maximum energy
- Radiation Detection: Thin window GM, LSC
- Radiation Hazard: Normally no external radiation hazard
- Shielding: Not necessary, normal lab. safety precaution
- Radioactive Half-life: 165 days
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 0.252 MeV (252 keV) maximum energy
- Radiation Detection: Thin window GM, LSC
- Radiation Hazard: Little external radiation hazard
- Shielding: Not necessary, normal lab. safety precaution
- Radioactive Half-life: 83.9 days
- Decay Mechanism: Beta
- Major Radiation: Gamma
- Energy: 1.120 and 0.889 MeV
- Radiation Detection: GM, Ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 27.8 days
- Decay Mechanism: Electron capture
- Major Radiation: Gamma
- Energy: 0.320 MeV (320 keV)
- Radiation Detection: GM, ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 45.6 days
- Decay Mechanism: Beta
- Major Radiation: Gamma
- Energy: 1.292, 1.095 MeV
- Radiation Detection GM, ion chamber
- Radiation Hazard External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 100 years
- Decay Mechanism: Beta
- Major Radiation: Beta
- Energy: 0.067 MeV (67 keV) maximum energy
- Radiation Detection: Liquid scintillation counting
- Radiation Hazard: No external radiation hazard
- Shielding: Not necessary, normal lab. safety precaution
- Radioactive Half-life: 120 days
- Decay Mechanism: Electron capture
- Major Radiation: Gamma
- Energy: 0.401, 0.280, 0.265, 0.136, 0.121 MeV
- Radiation Detection: GM, Ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 60 days
- Decay Mechanism: Electron capture
- Major Radiation: Gamma
- Energy: 0.035, 0.031, 0.027 MeV (35, 31, and 27 keV)
- Radiation Detection: GM, Ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material
- Radioactive Half-life: 8.1 days
- Decay Mechanism: Beta
- Major Radiation: Gamma
- Energy: 0.364, 0.284, 0.030 MeV (364, 284, 30 keV)
- Radiation Detection: GM, Ion chamber
- Radiation Hazard: External radiation hazard
- Shielding: Lead, high density material