Isotopic Abundances

The most current Table of Isotopic Compositions of the Elements [full text - pdf 373 KB] is that found in Table 5 of “Atomic weights of the elements: Review 2000”, de Laeter, J. R., Böhlke, J. K., De Bièvre, P., Hidaka, H., Peiser, H. S., Rosman, K. J. R., and Taylor, P. D. P., Pure Appl. Chem. 75, 683-800 (2003).  [full text - pdf 773 KB + erratum] {EXER 2000.pdf} + {not ready yet  xxxx.pdf}