Codex @codex  0

By International Union of Pure and Applied Chemistry.

Publisher: International Union of Pure and Applied Chemistry.

This source is credited to an organization.

Online text: iupac.qmul.ac.uk/gtpoc/M.html

Cited passages: Glossary of Terms Used in Physical Organic Chemistry, IUPAC Recommendations 1994, entry “molecularity”: elementary event and exclusion of solvation medium.

By International Union of Pure and Applied Chemistry.

Publisher: International Union of Pure and Applied Chemistry.

This source is credited to an organization.

Online text: iupac.qmul.ac.uk/gtpoc/NO.html

Cited passages: Glossary of Terms Used in Physical Organic Chemistry, IUPAC Recommendations 1994, entry “order of reaction”, final paragraphs: elementary versus stepwise reactions; Glossary of Terms Used in Physical Organic Chemistry, IUPAC Recommendations 1994, entry “order of reaction”: constant B, observed coefficient and pseudo-first-order coefficient.

By International Union of Pure and Applied Chemistry.

Publisher: International Union of Pure and Applied Chemistry.

This source is credited to an organization.

Published in Pure and Applied Chemistry, 66, 1077–1184.

Online text: iupac.qmul.ac.uk/gtpoc/R.html

Cited passages: Glossary of Terms Used in Physical Organic Chemistry, IUPAC Recommendations 1994: radical (or free radical), opening definition and metal-ion qualification; Glossary of Terms Used in Physical Organic Chemistry, IUPAC Recommendations 1994: radical ion, benzene examples and dot/charge placement.

By International Union of Pure and Applied Chemistry.

Entry I02938 in IUPAC Compendium of Chemical Terminology, fifth edition (Gold Book) by International Union of Pure and Applied Chemistry, issued by International Union of Pure and Applied Chemistry. No individual entry author is credited; editors and authors of underlying recommendations are not treated as entry authors. The citation gives 2025 for the fifth edition and online version 5.0.0.

Inspected official indexed entry: goldbook.iupac.org/terms/view/I02938/plain

Canonical entry: goldbook.iupac.org/terms/view/I02938

DOI: doi.org/10.1351/goldbook.I02938

Cited passages: Definition; Source; Citation. The underlying 1994 recommendation, p. 543, is cited by the entry and was not independently inspected. Direct entry retrieval failed; the complete official indexed text was inspected.

By International Union of Pure and Applied Chemistry.

Publisher: International Union of Pure and Applied Chemistry.

IUPAC Recommendations 1991. Prepared by R. Jenkins, R. Manne, R. Robin and C. Senemaud. Pure and Applied Chemistry 63, 735–746; cited §5.1, p. 745.

Official terminology entry S06004. Describes dependence of photophysical quantum yields on reagent concentration, including the linear dynamic-quenching relation underlying the Stern-Volmer equation.

Official primary terminology defining activation volume from the logarithmic pressure derivative of a rate constant. The concentration-unit convention must be held fixed when interpreting that derivative.