1. Stable isotopes in the natural environment
Many elements show variations in the abundance of their isotopes. Two types of effect are at the root of this phenomenon.
1.1 Natural enrichment with stable isotopes by chemical and/or physical means
Isotopes of the same element differ in their behavior due to different binding and activation energies. As a result, for thermodynamic or kinetic reasons, most chemical and physical reactions lead to the enrichment of one or more phases in one or more isotopes. The light elements show the greatest and best-documented natural variations in their relative isotopic abundances
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Stable isotopes in the natural environment
Using isotopic measurements
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References
- (1) - LÉTOLLE (R.), MARIOTTI (A.), BARIAC (T.) - Isotopes stables : applications. - Aditech 96 Bd Blanqui 13e Paris (1991). Référence d'un rapport publié sous les auspices du ministère de la Recherche, contenant les références les plus complètes sur les sujets abordés dans le présent chapitre. La bibliographie y est arrêtée vers mars 1991....
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