# ISO 21068-1:2008 — Withdrawn and superseded ISO standards For ISO 21068-1:2008, item title is Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation; status code is 9599; successor is ISO 21068-1:2024; withdrawn / published date is 2008-07-21, recorded from its source on 2026-08-05. - **Identifier:** ISO 21068-1:2008 _(verified: appears in the quote below)_ - **Item title:** Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 21068-1:2024 - **Withdrawn / published date:** 2008-07-21 _(verified: appears in the quote below)_ ## What the source says > 35628,IS,,ISO 21068-1:2008,Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation,Analyse chimique des matières premières et des produits réfractaires contenant du carbure de silicium — Partie 1: Informations générales et préparation des échantillons,2008-07-21,1,['81.080'],ISO/TC 33,9599,,[83504],"['en','fr']",8,
ISO 21068-1:2008 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products.
## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).