242Am. Isotop von Americium. Halbwertszeit: 16,0 h. Zerfallsreihe.

242AmAmericium-242
Allgemein
NameAmericium-242
Symbol242Am
Massenzahl242
ElementAmericium
natürliche Häufigkeitsyn.
Halbwertszeit16,0 h
Anzahl der Zerfallsprodukte2
Zerfallsprodukte242Am → 242Cm, ZA: β- (82,7 %), ZE: 0,665 MeV
242Am → 242Pu, ZA: ε (17,3 %), ZE: 0,751 MeV
Zerfallsreihe
242Am
β- ε
242Cm
α SF
238Pu
αSF
234U
α
230Th
αSF
226Ra
α
222Rn
α
218Po
αβ-
214Pb
β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218At
α β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218Rn
α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
(–)
(–)
(–)
242Pu
αSF
238U
α SF β-β-
234Th
β-
234Pa
β-
234U
α
230Th
αSF
226Ra
α
222Rn
α
218Po
αβ-
214Pb
β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218At
α β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218Rn
α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
(–)
(–)
238Pu
αSF
234U
α
230Th
αSF
226Ra
α
222Rn
α
218Po
αβ-
214Pb
β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218At
α β-
214Bi
β-α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
210Tl
β- β-n
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
209Pb
β-
209Bi
α
205Tl
218Rn
α
214Po
α
210Pb
αβ-
206Hg
β-
206Tl
β-
206Pb
210Bi
β-α
210Po
α
206Pb
206Tl
β-
206Pb
(–)
(–)
(–)