# ISO 602:1983 — Withdrawn and superseded ISO standards

For ISO 602:1983, item title is Coal — Determination of mineral matter; status code is 9599; successor is ISO 602:2015; withdrawn / published date is 1983-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 602:1983 _(verified: appears in the quote below)_
- **Item title:** Coal — Determination of mineral matter _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 602:2015
- **Withdrawn / published date:** 1983-02-01 _(verified: appears in the quote below)_

## What the source says

> 4705,IS,,ISO 602:1983,Coal — Determination of mineral matter,Charbon — Détermination du taux de matières minérales,1983-02-01,2,['73.040'],ISO/TC 27/SC 5,9599,,[67724],"['en','fr']",4,<p>A sample of the coal is partially demineralized by treatment with hydrochloric and hydrofluoric acids under such conditions that coal substance remains unaffected. The loss in mass of the coal due the acid treatment is recorded and the undissolved part of the mineral matter is determined by ashing the partiallay demineralized coal. The iron copntent of the ash is determined so that the pyrites present in the extracted coal can be calculated. In addition the amount of hydrochloric acid absorbed by the coal su

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).