Nuklida · stabil · alami
Platina-198 (¹⁹⁸Pt)
Platina-198 (¹⁹⁸Pt) adalah isotop stabil platina dengan 78 proton dan 120 neutron (nomor massa 198). Kelimpahan alaminya 0.073 56(130).
Data nuklida
- Unsur
- Platina (Pt, Z = 78)
- Nomor massa (A)
- 198
- Proton (Z)
- 78
- Neutron (N)
- 120
- Massa atom
- 197.967896718 ± 0.000002254 u
- Waktu paruh
- Stabil
- Mode peluruhan
- Peluruhan beta ganda, Peluruhan alfa (α)
- Inti anak
- Raksa-198 (¹⁹⁸Hg), Osmium-194 (¹⁹⁴Os)
- Kelimpahan alami
- 0.073 56(130)
- Tahun penemuan
- 1935
- Sumber data
- IAEA Atomic Mass Data Center (NUBASE) and IUPAC CIAAW, via PubChem
Kegunaan isotop platina
- Astrophysicists have confirmed an anomaly in the isotopic composition of platinum in the chemically peculiar HgMn star χ Lupi, where the platinum isotopic composition was shown to be a mixture of 196Pt and 198Pt (Fig. IUPAC.78.1).
Isotop platina lainnya
¹⁶⁵Pt, ¹⁶⁶Pt, ¹⁶⁷Pt, ¹⁶⁸Pt, ¹⁶⁹Pt, ¹⁷⁰Pt, ¹⁷¹Pt, ¹⁷²Pt, ¹⁷³Pt, ¹⁷⁴Pt, ¹⁷⁵Pt, ¹⁷⁶Pt, ¹⁷⁷Pt, ¹⁷⁸Pt, ¹⁷⁹Pt, ¹⁸⁰Pt, ¹⁸¹Pt, ¹⁸²Pt, ¹⁸³Pt, ¹⁸⁴Pt, ¹⁸⁵Pt, ¹⁸⁶Pt, ¹⁸⁷Pt, ¹⁸⁸Pt, ¹⁸⁹Pt, ¹⁹⁰Pt, ¹⁹¹Pt, ¹⁹²Pt, ¹⁹³Pt, ¹⁹⁴Pt, ¹⁹⁵Pt, ¹⁹⁶Pt, ¹⁹⁷Pt, ¹⁹⁹Pt, ²⁰⁰Pt, ²⁰¹Pt, ²⁰²Pt, ²⁰³Pt, ²⁰⁴Pt, ²⁰⁵Pt, ²⁰⁶Pt, ²⁰⁷Pt, ²⁰⁸Pt