Nuklida · radioaktif
Tulium-170 (¹⁷⁰Tm)
Tulium-170 (¹⁷⁰Tm) adalah isotop radioaktif tulium dengan 69 proton dan 101 neutron (nomor massa 170). Waktu paruhnya 128,6 hari (± 0,3 hari), meluruh terutama lewat peluruhan beta minus (β⁻).
Data nuklida
- Unsur
- Tulium (Tm, Z = 69)
- Nomor massa (A)
- 170
- Proton (Z)
- 69
- Neutron (N)
- 101
- Massa atom
- 169.935807093 ± 0.000000785 u
- Waktu paruh
- 128,6 hari (± 0,3 hari)
- Mode peluruhan
- Peluruhan beta minus (β⁻) ( 99,87 %), Penangkapan elektron (ε) ( 0,13 %)
- Inti anak
- Iterbium-170 (¹⁷⁰Yb), Erbium-170 (¹⁷⁰Er)
- Tahun penemuan
- 1936
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop tulium
- 170Tm (with a half-life of about 130 days) is used in the petrochemical industry for industrial radiography to test welds in pipes and tanks.
- 167Tm (with a half-life of 9.2 days) is useful for tumor and bone studies. Stable 169Tm can be bombarded in a nuclear reactor to create 170Tm, via the 169Tm (n, γ) 170Tm reaction, which emits X-rays and has been used in portable X-ray equipment as a radiation source. 170Tm has been used in high-dose-rate (HDR) brachytherapy and for use in radiosynovectomy of medium sized joints (Fig. IUPAC.69.1).
Isotop tulium lainnya
¹⁴⁴Tm, ¹⁴⁵Tm, ¹⁴⁶Tm, ¹⁴⁷Tm, ¹⁴⁸Tm, ¹⁴⁹Tm, ¹⁵⁰Tm, ¹⁵¹Tm, ¹⁵²Tm, ¹⁵³Tm, ¹⁵⁴Tm, ¹⁵⁵Tm, ¹⁵⁶Tm, ¹⁵⁷Tm, ¹⁵⁸Tm, ¹⁵⁹Tm, ¹⁶⁰Tm, ¹⁶¹Tm, ¹⁶²Tm, ¹⁶³Tm, ¹⁶⁴Tm, ¹⁶⁵Tm, ¹⁶⁶Tm, ¹⁶⁷Tm, ¹⁶⁸Tm, ¹⁶⁹Tm, ¹⁷¹Tm, ¹⁷²Tm, ¹⁷³Tm, ¹⁷⁴Tm, ¹⁷⁵Tm, ¹⁷⁶Tm, ¹⁷⁷Tm, ¹⁷⁸Tm, ¹⁷⁹Tm, ¹⁸⁰Tm, ¹⁸¹Tm, ¹⁸²Tm