1994
DOI: 10.1002/mas.1280130103
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Role of isotope mass spectrometry in cosmic abundance studies

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Cited by 9 publications
(3 citation statements)
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“…These abundances are based primarily on the determination of trace elements in primitive carbonaceous meteorites together with abundance data from the solar photosphere (Anders & Grevesse, 1989; Lodders, 2003). Although most of the Solar System abundances are only accurate to ±10%, the IDMS technique can measure abundances accurate to ±2% (De Laeter, 1994). The IDMS technique was established by nuclear scientists to enable accurate fission‐yield abundances and branching ratios to be measured (Inghram, 1954).…”
Section: Nucleosynthesismentioning
confidence: 99%
“…These abundances are based primarily on the determination of trace elements in primitive carbonaceous meteorites together with abundance data from the solar photosphere (Anders & Grevesse, 1989; Lodders, 2003). Although most of the Solar System abundances are only accurate to ±10%, the IDMS technique can measure abundances accurate to ±2% (De Laeter, 1994). The IDMS technique was established by nuclear scientists to enable accurate fission‐yield abundances and branching ratios to be measured (Inghram, 1954).…”
Section: Nucleosynthesismentioning
confidence: 99%
“…D'autre part, le curium-242 intervient de façon privilégiée dans l'interprétation des calculs d'évolution du combustible (Allais, 1998 ;Roque, 2001) : il est le fils de l'américium-241 par capture de neutrons et le père du curium-243. La détermination de sa teneur absolue ou relative au 238 U permet donc d'avancer sur la connaissance des écarts calcul-expérience pour les radionucléides 241 Am et Dans le domaine nucléaire, la mesure de la composition isotopique d'un élément est généralement effectuée par spectrométrie de masse à thermoionisation (TIMS) qui est l'une des meilleures techniques pour obtenir des rapports isotopiques reproductibles et justes (De Laeter, 1994 ;Heumann et al, 1995). Cependant, selon les radionucléides, le temps de refroidissement et la nature du combustible, cette technique peut ne pas être suffisamment sensible pour les mesurer.…”
Section: Introductionunclassified
“…Mass spectrometry traces its roots to the work of J. J. Thomson beginning nearly a century ago. During the first half of the century, the technique was developed and practiced by physicists and the applications were mainly limited to precise determination of the masses of the stable nuclides and natural abundance of isotopes . During and immediately following World War II, analytical applications and fundamental physical measurements on molecules began to emerge.…”
Section: Introductionmentioning
confidence: 99%