# ISO 8858-2:2004 — Withdrawn and superseded ISO standards For ISO 8858-2:2004, item title is Hard coal — Froth flotation testing — Part 2: Sequential evaluation; status code is 9599; successor is ISO 8858-2:2024; withdrawn / published date is 2004-08-05, recorded from its source on 2026-08-05. - **Identifier:** ISO 8858-2:2004 _(verified: appears in the quote below)_ - **Item title:** Hard coal — Froth flotation testing — Part 2: Sequential evaluation _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 8858-2:2024 - **Withdrawn / published date:** 2004-08-05 _(verified: appears in the quote below)_ ## What the source says > 34310,IS,,ISO 8858-2:2004,Hard coal — Froth flotation testing — Part 2: Sequential evaluation,Houille — Essais de flottation — Partie 2: Évaluation séquentielle,2004-08-05,1,['73.040'],ISO/TC 27/SC 1,9599,,[87992],['en'],13,"
ISO 8858-2:2004 sets out a laboratory sequential procedure for the froth flotation testing of fine coal, e.g. coal having a particle size of less than 0,5 mm. The procedure provides a means of evaluating for a coal the flotation characteristics (expressed as a yield/ash relationship) that may be expected from the froth flotation process.
Pulp samples that cannot be dewatered without the use of heat or chemical additives are not covered by this part of ISO 8858; ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).