Standard

BS EN ISO 80000-9:2019+A1:2025

Quantities and units - Physical chemistry and molecular physics

Current

•

Published:

30 Sep 2025

1 Scope

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

Product Details

Descriptors

Molecular physics

Conversion (units of measurement)

Units of measurement

Equations

SI system (metric)

Measurement

Physical chemistry

Definitions

Quantity

Symbols

ICS Codes

01.060 Quantities and units

Committee

SS/7

International relationships

Identical to:

EN ISO 80000-9:2019/Amd 1

ISO 80000-9:2019/Amd 1

ISBN

978 0 539 27228 4

Publisher

BSI