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|Title:||Isotopic Compositions of the Elements 2009 (IUPAC Technical Report)|
|Authors:||BERGLUND Michael; WIESER Michael|
|Citation:||PURE AND APPLIED CHEMISTRY vol. 83 no. 2 p. 397-410|
|Publisher:||INT UNION PURE APPLIED CHEMISTRY|
|Type:||Articles in periodicals and books|
|Abstract:||The Commission on Isotopic Abundances and Atomic Weights (CIAAW) of the International Union of Pure and Applied Chemistry (IUPAC) completed its last update of the isotopic compositions of the elements as determined by isotope-ratio mass spectrometry in 2009. That update involved a critical evaluation of the published literature and forms the basis of the table of the isotopic compositions of the elements (TICE) presented here. For each element, TICE includes evaluated data from the "best measurement" of the isotope abundances in a single sample, along with a set of representative isotope abundances and uncertainties that accommodate known variations in normal terrestrial materials. The representative isotope abundances and uncertainties generally are consistent with the standard atomic weight of the element Ar(E) and its uncertainty U[Ar(E)] recommended by CIAAW in 2007.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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