# ISO 1171:1997 — Withdrawn and superseded ISO standards For ISO 1171:1997, item title is Solid mineral fuels — Determination of ash; status code is 9599; successor is ISO 1171:2010; withdrawn / published date is 1997-12-18, recorded from its source on 2026-08-05. - **Identifier:** ISO 1171:1997 _(verified: appears in the quote below)_ - **Item title:** Solid mineral fuels — Determination of ash _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 1171:2010 - **Withdrawn / published date:** 1997-12-18 _(verified: appears in the quote below)_ ## What the source says > 1626,IS,,ISO 1171:1997,Solid mineral fuels — Determination of ash,Combustibles minéraux solides — Détermination des cendres,1997-12-18,3,['75.160.10'],ISO/TC 27/SC 5,9599,[5748],[55944],"['en','fr']",4, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).