Nuklida · radioaktif
Tantalum-178 (¹⁷⁸Ta)
Tantalum-178 (¹⁷⁸Ta) adalah isotop radioaktif tantalum dengan 73 proton dan 105 neutron (nomor massa 178). Waktu paruhnya 2,36 jam (± 0,08 jam), meluruh terutama lewat peluruhan beta plus (β⁺).
Data nuklida
- Nomor massa (A)
- 178
- Proton (Z)
- 73
- Neutron (N)
- 105
- Massa atom
- 177.945680 ± 0.000056 u
- Waktu paruh
- 2,36 jam (± 0,08 jam)
- Mode peluruhan
- Peluruhan beta plus (β⁺) ( 100 %)
- Inti anak
- Hafnium-178 (¹⁷⁸Hf)
- Tahun penemuan
- 1950
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop tantalum
- 178 Ta (with a half-life of 9.3 min) is used in medical studies, such as first-pass radionuclide angiography of mice, to better understand cardiovascular disease. Radionuclide angiography uses a pinhole lens fitted to a high-speed multiwire proportional camera and a n(178W)/n(178Ta) amount-ratio generator for minimally invasive quantification of murine ventricular (heart) functions (Fig. IUPAC.73.1),. The multiwire gamma camera has a 178Ta generator incorporated in its housing, and it provides portable and laboratory ventricular function assessments for cardiovascular patients,. Intravenous injections of 178Ta are used in gated equilibrium blood pool imaging. 183Ta (with a half-life of 5.1 days) has potential for use in radionuclide pharmaceuticals and as a tracer for toxicity studies of ecosystems.
- 181Ta is used to produce 178W, which decays to 178Ta via the reaction 181Ta (p, 4 n) 178W, which is followed by a subsequent electron capture decay reaction of 178W to finally yield 178Ta. 178Ta is important for medical studies as noted in Section 4.73.1.
Isotop tantalum lainnya
¹⁵⁵Ta, ¹⁵⁶Ta, ¹⁵⁷Ta, ¹⁵⁸Ta, ¹⁵⁹Ta, ¹⁶⁰Ta, ¹⁶¹Ta, ¹⁶²Ta, ¹⁶³Ta, ¹⁶⁴Ta, ¹⁶⁵Ta, ¹⁶⁶Ta, ¹⁶⁷Ta, ¹⁶⁸Ta, ¹⁶⁹Ta, ¹⁷⁰Ta, ¹⁷¹Ta, ¹⁷²Ta, ¹⁷³Ta, ¹⁷⁴Ta, ¹⁷⁵Ta, ¹⁷⁶Ta, ¹⁷⁷Ta, ¹⁷⁹Ta, ¹⁸⁰Ta, ¹⁸¹Ta, ¹⁸²Ta, ¹⁸³Ta, ¹⁸⁴Ta, ¹⁸⁵Ta, ¹⁸⁶Ta, ¹⁸⁷Ta, ¹⁸⁸Ta, ¹⁸⁹Ta, ¹⁹⁰Ta, ¹⁹¹Ta, ¹⁹²Ta, ¹⁹³Ta, ¹⁹⁴Ta