Nuklida · radioaktif
Torium-234 (²³⁴Th)
Torium-234 (²³⁴Th) adalah isotop radioaktif torium dengan 90 proton dan 144 neutron (nomor massa 234). Waktu paruhnya 24,107 hari (± 0,024 hari), meluruh terutama lewat peluruhan beta minus (β⁻).
Data nuklida
- Unsur
- Torium (Th, Z = 90)
- Nomor massa (A)
- 234
- Proton (Z)
- 90
- Neutron (N)
- 144
- Massa atom
- 234.043599801 ± 0.000002779 u
- Waktu paruh
- 24,107 hari (± 0,024 hari)
- Mode peluruhan
- Peluruhan beta minus (β⁻) ( 100 %), Peluruhan alfa (α)
- Inti anak
- Protaktinium-234 (²³⁴Pa), Radium-230 (²³⁰Ra)
- Tahun penemuan
- 1900
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop torium
- 234Th (with a half-life of 24 days) has been used as a tracer for estimating the flux of organic carbon in the ocean (Fig. IUPAC.90.1),. 234Th has been used for estimating the residence time of suspended particulate matter (SPM) in water columns.
Reaksi inti
Isotop torium lainnya
²⁰⁸Th, ²⁰⁹Th, ²¹⁰Th, ²¹¹Th, ²¹²Th, ²¹³Th, ²¹⁴Th, ²¹⁵Th, ²¹⁶Th, ²¹⁷Th, ²¹⁸Th, ²¹⁹Th, ²²⁰Th, ²²¹Th, ²²²Th, ²²³Th, ²²⁴Th, ²²⁵Th, ²²⁶Th, ²²⁷Th, ²²⁸Th, ²²⁹Th, ²³⁰Th, ²³¹Th, ²³²Th, ²³³Th, ²³⁵Th, ²³⁶Th, ²³⁷Th, ²³⁸Th, ²³⁹Th