# ISO 1017:1985 — Withdrawn and superseded ISO standards

For ISO 1017:1985, item title is Brown coals and lignites — Determination of acetone-soluble material ('resinous substances') in the toluene-soluble extract; status code is 9599; successor is ISO 1017:2006; withdrawn / published date is 1985-12-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1017:1985 _(verified: appears in the quote below)_
- **Item title:** Brown coals and lignites — Determination of acetone-soluble material ('resinous substances') in the toluene-soluble extract _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1017:2006
- **Withdrawn / published date:** 1985-12-12 _(verified: appears in the quote below)_

## What the source says

> 5487,IS,,ISO 1017:1985,Brown coals and lignites — Determination of acetone-soluble material ('resinous substances') in the toluene-soluble extract,Charbons bruns et lignites — Détermination des matières solubles dans l'acétone de l'extrait au toluène soluble ('substances résineuses'),1985-12-12,2,['73.040'],ISO/TC 27/SC 5,9599,[5486],[41353],"['en','fr']",2,<p>A sample of toluene-soluble extract from brown coal or lignite obtained by the procedure describes in ISO 975 is extracted with acetone at a temperature of 18 to 22 °C. The soluble fraction is filtered or centrifuged off and after evaporation of the solvent dried to constant mass. The percentage of acetone-soluble material is calculate

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).