Thomas R. Walczyk

Who We Are
- Member Directory
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- Organizational Chart
  A Graph is Worth a Thousand Words.
- Strategic Plan
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- History
  From global chemists’ need for standardization and the vision to unite.
What We Do
- Periodic Table of Elements
  Latest release based on the work of the Commission on Isotopic Abundances and Atomic Weights.
- Top 10 Emerging Technologies
  Annual selection showcasing the value and importance of Chemistry.
- Recommendations and Reports
  Unambiguous and consistent nomenclature and terminology, evaluation of data, methods or techniques, guidelines and more.
- Nomenclature
  The expertise IUPAC is known for.
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  Peer reviewed and open access publications, including PAC, CTI, CI, MS, and SDS.
- Color Books
  Authoritative resources for chemical nomenclature, terminology, and symbols.
- Awards
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- JCGM
  The Joint Committee for Guides in Metrology.
- Projects
  How we do what we do and how we get the word out.
- Conferences
  Endorsement program and financial support opportunities.
Events
Projects
News

IUPAC Engagement

Projects

Current Projects
Completed Projects
Folder = Chair

	Project Number	Project Name
	2020-022-1-200	Gold Book Update of Terms for Inorganic Chemistry
	2018-009-2-500	Guidance for the Compilation, Critical Evaluation and Dissemination of Chemical Data
	2017-017-2-200	Evaluated Published Isotope Ratio Data (2013-2018)

	Project Number	Project Name
	2009-023-1-200	Evaluation of Radiogenic Abundance Variations in Selected Elements
	2014-024-1-200	Development and Global Dissemination of an IUPAC Interactive Electronic Isotopic Periodic Table and Supporting Resources for the Education Community
	2011-027-1-200	Evaluated Published Isotope Ratio Data (2011-2013)
	2009-029-1-200	Evaluated Published Isotope Ratio Data (2010-2011)
	2007-029-1-200	Evaluation of isotopic abundance variations in selected heavier elements
	2007-038-3-200	Development of an isotopic periodic table for the educational community
	2007-031-1-200	Evaluated compilation of international reference materials for isotope abundance measurements
	2001-019-2-200	Guidelines for mass spectrometric isotope ratio measurements
	2007-028-1-200	Evaluated published isotope ratio data (2007-2009)
	2003-031-2-200	Isotopic compositions of selected elements
	2003-033-1-200	Determination of atomic weights using new analytical techniques
	2005-027-1-200	Evaluated published isotope ratio data (2005-2007)
	2002-049-2-200	A new comprehensive report on the isotopic compositions of the elements for global user communities

Member Directory

Projects

Committees

Divisions