Nuklida · radioaktif
Besi-52 (⁵²Fe)
Besi-52 (⁵²Fe) adalah isotop radioaktif besi dengan 26 proton dan 26 neutron (nomor massa 52). Waktu paruhnya 8,275 jam (± 0,008 jam), meluruh terutama lewat peluruhan beta plus (β⁺).
Data nuklida
- Unsur
- Besi (Fe, Z = 26)
- Nomor massa (A)
- 52
- Proton (Z)
- 26
- Neutron (N)
- 26
- Massa atom
- 51.948113364 ± 0.000000192 u
- Waktu paruh
- 8,275 jam (± 0,008 jam)
- Mode peluruhan
- Peluruhan beta plus (β⁺) ( 100 %)
- Inti anak
- Mangan-52 (⁵²Mn)
- Tahun penemuan
- 1948
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop besi
- 52Fe, with a half-life of 8.3 h, emits positrons and is used in positron emission tomography (PET) studies. It can be produced in a cyclotron from stable 50Cr by alpha particle capture,,.
Isotop besi lainnya
⁴⁵Fe, ⁴⁶Fe, ⁴⁷Fe, ⁴⁸Fe, ⁴⁹Fe, ⁵⁰Fe, ⁵¹Fe, ⁵³Fe, ⁵⁴Fe, ⁵⁵Fe, ⁵⁶Fe, ⁵⁷Fe, ⁵⁸Fe, ⁵⁹Fe, ⁶⁰Fe, ⁶¹Fe, ⁶²Fe, ⁶³Fe, ⁶⁴Fe, ⁶⁵Fe, ⁶⁶Fe, ⁶⁷Fe, ⁶⁸Fe, ⁶⁹Fe, ⁷⁰Fe, ⁷¹Fe, ⁷²Fe, ⁷³Fe, ⁷⁴Fe, ⁷⁵Fe, ⁷⁶Fe