# ISO 2171:1993 — Withdrawn and superseded ISO standards For ISO 2171:1993, item title is Cereals and milled cereal products — Determination of total ash; status code is 9599; successor is ISO 2171:2007; withdrawn / published date is 1993-06-17, recorded from its source on 2026-08-05. - **Identifier:** ISO 2171:1993 _(verified: appears in the quote below)_ - **Item title:** Cereals and milled cereal products — Determination of total ash _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 2171:2007 - **Withdrawn / published date:** 1993-06-17 _(verified: appears in the quote below)_ ## What the source says > 6968,IS,,ISO 2171:1993,Cereals and milled cereal products — Determination of total ash,Céréales et produits de mouture des céréales — Dosage des cendres totales,1993-06-17,3,['67.060'],ISO/TC 34/SC 4,9599,[6967],[37264],"['en','fr']",5,"
The principle of the method specified is incineration of a test portion in an oxidizing atmosphere at a temperature of 900 °C until combustion of organic matter is complete, then weighing the residue obtained. Is not applicable to starch and starch derivatives, or to cereals and derived cereal products intended for animal feeding stuffs, nor to seeds of cereals and pulses for sowing.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).