# ISO 31-9:1980/Amd 1:1985 — Withdrawn and superseded ISO standards For ISO 31-9:1980/Amd 1:1985, item title is Quantities and units of atomic and nuclear physics — Amendment 1; status code is 9599; successor is ISO 31-9:1992; withdrawn / published date is 1985-08-08, recorded from its source on 2026-08-05. - **Identifier:** ISO 31-9:1980/Amd 1:1985 _(verified: appears in the quote below)_ - **Item title:** Quantities and units of atomic and nuclear physics — Amendment 1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 31-9:1992 - **Withdrawn / published date:** 1985-08-08 _(verified: appears in the quote below)_ ## What the source says > 3648,IS,Amd,ISO 31-9:1980/Amd 1:1985,Quantities and units of atomic and nuclear physics — Amendment 1,Grandeurs et unités de physique atomique et nucléaire — Amendement 1,1985-08-08,2,['01.060'],ISO/TC 12,9599,,[3647],['en'],1, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).