# ISO 9406:1988 — Withdrawn and superseded ISO standards For ISO 9406:1988, item title is Carbonaceous materials for the production of aluminium — Green coke — Determination of volatile matter content by gravimetric analysis; status code is 9599; successor is ISO 9406:1995; withdrawn / published date is 1988-12-15, recorded from its source on 2026-08-05. - **Identifier:** ISO 9406:1988 _(verified: appears in the quote below)_ - **Item title:** Carbonaceous materials for the production of aluminium — Green coke — Determination of volatile matter content by gravimetric analysis _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 9406:1995 - **Withdrawn / published date:** 1988-12-15 _(verified: appears in the quote below)_ ## What the source says > 17105,IS,,ISO 9406:1988,Carbonaceous materials for the production of aluminium — Green coke — Determination of volatile matter content by gravimetric analysis,Produits carbonés utilisés pour la production de l'aluminium — Coke cru — Détermination de la teneur en matières volatiles par gravimétrie,1988-12-15,1,['71.100.10'],ISO/TC 226,9599,,[25255],"['en','fr']",3, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).