# ISO 803:1976 — Withdrawn and superseded ISO standards For ISO 803:1976, item title is Aluminium oxide primarily used for the production of aluminium — Determination of loss of mass at 300 degrees C (conventional moisture); status code is 9599; successor is ISO 806:2004 | ISO/WD 803; withdrawn / published date is 1976-09-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 803:1976 _(verified: appears in the quote below)_ - **Item title:** Aluminium oxide primarily used for the production of aluminium — Determination of loss of mass at 300 degrees C (conventional moisture) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 806:2004 | ISO/WD 803 - **Withdrawn / published date:** 1976-09-01 _(verified: appears in the quote below)_ ## What the source says > 5148,IS,,ISO 803:1976,Aluminium oxide primarily used for the production of aluminium — Determination of loss of mass at 300 degrees C (conventional moisture),Oxyde d'aluminium principalement utilisé pour la production de l'aluminium — Détermination de la perte de masse à 300 degrés C (humidité conventionnelle),1976-09-01,1,['71.100.10'],ISO/TC 226,9599,,"[36360,36721]","['en','fr']",2, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).