IUPAC

International Union of Pure and Applied Chemistry

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Last update: 25 November 2008

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Member

Dr. Shigekazu Yoneda

Company:	National Museum of Nature and Science
Department:	Dept. of Science and Engineering
Address:	3-23-1 Hayakunin-Cho, Shinjuku-ku Tokyo 169-0073
Country:	Japan
Phone:	3 3364 7142
Fax:	3 3364 7104
Email:	s-yoneda@kahaku.go.jp

Body membership

Commission on Isotopic Abundance and Atomic Weights (Member)
Subcommittee on Isotopic Abundance Measurements (Member)

Task group membership

member: Project No. 2007-029-1-200: Evaluation of isotopic abundance variations in selected heavier elements
member: Project No. 2007-038-3-200: Development of an isotopic periodic table for the educational community
member: Project No. 2007-028-1-200: Evaluated published isotope ratio data (2007-2009)
member: Project No. 2003-033-1-200: Determination of atomic weights using new analytical techniques
member: Project No. 2002-049-2-200: A new comprehensive report on the isotopic compositions of the elements for global user communities