# ISO 80000-12:2009 — Withdrawn and superseded ISO standards For ISO 80000-12:2009, item title is Quantities and units — Part 12: Solid state physics; status code is 9599; successor is ISO 80000-12:2019; withdrawn / published date is 2009-05-13, recorded from its source on 2026-08-05. - **Identifier:** ISO 80000-12:2009 _(verified: appears in the quote below)_ - **Item title:** Quantities and units — Part 12: Solid state physics _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 80000-12:2019 - **Withdrawn / published date:** 2009-05-13 _(verified: appears in the quote below)_ ## What the source says > 31897,IS,,ISO 80000-12:2009,Quantities and units — Part 12: Solid state physics,Grandeurs et unités — Partie 12: Physique de l'état solide,2009-05-13,1,['01.060'],ISO/TC 12,9599,"[28984,3657]",[63480],"['en','fr']",29,"

ISO 80000-12:2009 gives names, symbols and definitions for quantities and units of solid state physics. Where appropriate, conversion factors are also given.

" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).