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ISO 80000-9:2019Published

Quantities and units — Part 9: Physical chemistry and molecular physics

Grandeurs et unités — Partie 9: Chimie physique et physique moléculaire

Abstract / scope

This document gives names, symbols, definitions and units for quantities of physical chemistry and molecular physics. Where appropriate, conversion factors are also given.

Life cycle

Amendments & corrigenda

ISO 80000-9:2019/Amd 1:2025PublishedQuantities and units — Part 9: Physical chemistry and molecular physics — Amendment 1International Standard · Published 14 Aug 2025 · ISO/TC 12

Replaces

ISO 80000-9:2009WithdrawnQuantities and units — Part 9: Physical chemistry and molecular physicsInternational Standard · Published 2 Apr 2009 · ISO/TC 12ISO 80000-9:2009/Amd 1:2011WithdrawnQuantities and units — Part 9: Physical chemistry and molecular physics — Amendment 1International Standard · Published 17 May 2011 · ISO/TC 12