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- Isotopes_of_gadolinium abstract "Naturally occurring gadolinium (Gd) is composed of 6 stable isotopes, 154Gd, 155Gd, 156Gd, 157Gd, 158Gd and 160Gd, and 1 radioisotope, 152Gd, with 158Gd being the most abundant (24.84% natural abundance). The predicted double beta decay of 160Gd has never been observed; only lower limit on its half-life of more than 1.3×1021 years has been set experimentally.Thirty radioisotopes have been characterized, with the most stable being alpha-decaying 152Gd (naturally occurring) with a half-life of 1.08×1014 years, and 150Gd with a half-life of 1.79×106 years. All of the remaining radioactive isotopes have half-lives less than 74.7 years. The majority of these have half-lives less than 24.6 seconds. Gadolinium isotopes have 10 metastable isomers, with the most stable being 143mGd (T½=110 seconds), 145mGd (T½=85 seconds) and 141mGd (T½=24.5 seconds).The primary decay mode at atomic weights lower than the most abundant stable isotope, 158Gd, is electron capture, and the primary mode at higher atomic weights is beta decay. The primary decay products for isotopes of weights lower than 158Gd are the element Eu (europium) isotopes and the primary products at higher weights are the element Tb (terbium) isotopes.Gadolinium-153 has a half-life of 240.4±10 days and emits gamma radiation with strong peaks at 41 keV and 102 keV. It is used as a gamma ray source in X-ray absorptiometry or bone density gauges for osteoporosis screening, and in the Lixiscope portable x-ray imaging system.Standard atomic mass: 157.25(3) u".
- Isotopes_of_gadolinium wikiPageExternalLink pdf.
- Isotopes_of_gadolinium wikiPageExternalLink atomic-weights_revised05.html.
- Isotopes_of_gadolinium wikiPageExternalLink pdf.
- Isotopes_of_gadolinium wikiPageExternalLink Nubase2003.pdf.
- Isotopes_of_gadolinium wikiPageExternalLink nudat2.
- Isotopes_of_gadolinium wikiPageID "2526932".
- Isotopes_of_gadolinium wikiPageRevisionID "540909098".
- Isotopes_of_gadolinium element "gadolinium".
- Isotopes_of_gadolinium hasPhotoCollection Isotopes_of_gadolinium.
- Isotopes_of_gadolinium heavier "Isotopes of terbium".
- Isotopes_of_gadolinium lighter "Isotopes of europium".
- Isotopes_of_gadolinium subject Category:Gadolinium.
- Isotopes_of_gadolinium subject Category:Isotopes_of_gadolinium.
- Isotopes_of_gadolinium subject Category:Lists_of_isotopes_by_element.
- Isotopes_of_gadolinium type Abstraction100002137.
- Isotopes_of_gadolinium type Atom114619225.
- Isotopes_of_gadolinium type Isotope114619658.
- Isotopes_of_gadolinium type IsotopesOfGadolinium.
- Isotopes_of_gadolinium type Matter100020827.
- Isotopes_of_gadolinium type Part113809207.
- Isotopes_of_gadolinium type PhysicalEntity100001930.
- Isotopes_of_gadolinium type Relation100031921.
- Isotopes_of_gadolinium type Substance100019613.
- Isotopes_of_gadolinium comment "Naturally occurring gadolinium (Gd) is composed of 6 stable isotopes, 154Gd, 155Gd, 156Gd, 157Gd, 158Gd and 160Gd, and 1 radioisotope, 152Gd, with 158Gd being the most abundant (24.84% natural abundance).".
- Isotopes_of_gadolinium label "Isotopen van gadolinium".
- Isotopes_of_gadolinium label "Isotopes of gadolinium".
- Isotopes_of_gadolinium label "Изотопы гадолиния".
- Isotopes_of_gadolinium label "ガドリニウムの同位体".
- Isotopes_of_gadolinium label "釓的同位素".
- Isotopes_of_gadolinium sameAs ガドリニウムの同位体.
- Isotopes_of_gadolinium sameAs 가돌리늄_동위_원소.
- Isotopes_of_gadolinium sameAs Isotopen_van_gadolinium.
- Isotopes_of_gadolinium sameAs m.011bdjzx.
- Isotopes_of_gadolinium sameAs Q549805.
- Isotopes_of_gadolinium sameAs Q549805.
- Isotopes_of_gadolinium sameAs Isotopes_of_gadolinium.
- Isotopes_of_gadolinium wasDerivedFrom Isotopes_of_gadolinium?oldid=540909098.
- Isotopes_of_gadolinium isPrimaryTopicOf Isotopes_of_gadolinium.