# ISO 31-9:1992 — Withdrawn and superseded ISO standards For ISO 31-9:1992, item title is Quantities and units — Part 9: Atomic and nuclear physics; status code is 9599; successor is ISO 80000-10:2009; withdrawn / published date is 1992-08-27, recorded from its source on 2026-08-05. - **Identifier:** ISO 31-9:1992 _(verified: appears in the quote below)_ - **Item title:** Quantities and units — Part 9: Atomic and nuclear physics _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 80000-10:2009 - **Withdrawn / published date:** 1992-08-27 _(verified: appears in the quote below)_ ## What the source says > 3647,IS,,ISO 31-9:1992,Quantities and units — Part 9: Atomic and nuclear physics,Grandeurs et unités — Partie 9: Physique atomique et nucléaire,1992-08-27,3,['01.060'],ISO/TC 12,9599,"[3646,3648]",[31895],"['en','fr']",20,"
Gives name, symbol and definition for 51 quantities and units of atomic and nuclear physics. Where appropriate, conversion factors are also given. Annex A includes names of symbols of the chemical elements, Annex B the notation of symbols for chemical elements and nuclides, Annex C the original names and symbols for nuclides of radioactive series, Annex D examples of relations in different systems of equations using different systems of units.
" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).