Archives: Provisional Recommendations

End-of-line Hyphenation of Chemical Names

Chemical names and in particular systematic chemical names can be so long that, when a manuscript is printed, they have to be hyphenated/divided at the end of a line. Many...

Vocabulary of radioanalytical methods

These recommendations are a vocabulary of basic radioanalytical terms which are relevant to radioanalysis, nuclear analysis and related techniques. Radioanalytical methods consider all nuclear-related techniques for the characterization of materials...

Terminology of Polymers in Advanced Lithography

As decreasingly smaller molecular materials and material structures are devised or developed for technological applications, the demands on the processes of lithography have been such that feature sizes routinely generated...

Definitions and notations relating to tactic polymers

This document summarizes and extends definitions and notations for the description of tactic polymers and the diad structures of which they are composed. It formally recognizes and resolves apparent inconsistencies...

Terminology of electrochemical methods of analysis

Recommendations are given concerning the terminology of methods used in electroanalytical chemistry. Fundamental terms in electrochemistry are reproduced from previous PAC Recommendations, and new and updated material is added for...

Nomenclature for boranes and related species

The purpose of this present document is to examine existing nomenclature recommendations of boranes and related systems to ensure that they can be clearly interpreted and to introduce new recommendations,...

Definition of the chalcogen bond

This recommendation proposes a definition for the term “chalcogen bond”; it is recommended the term is used to designate the specific subset of inter- and intramolecular interactions formed by chalcogen...