# ISO 779:2005 — Withdrawn and superseded ISO standards

For ISO 779:2005, item title is Paper, board and pulp — Determination of acid-soluble iron; status code is 9599; successor is ISO 12830:2011; withdrawn / published date is 2005-04-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 779:2005 _(verified: appears in the quote below)_
- **Item title:** Paper, board and pulp — Determination of acid-soluble iron _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 12830:2011
- **Withdrawn / published date:** 2005-04-27 _(verified: appears in the quote below)_

## What the source says

> 41589,IS,,ISO 779:2005,"Paper, board and pulp — Determination of acid-soluble iron","Papier, carton et pâte — Détermination de la teneur en fer soluble dans l'acide",2005-04-27,3,"['85.060','85.040']",ISO/TC 6,9599,[31805],[51848],"['en','fr','ru']",6,"<p>ISO 779:2005 specifies the procedure for the determination of acid-soluble iron by atomic absorption spectrometry or by plasma emission spectrometry. </p><p>It is applicable to all kinds of paper, board and pulp.</p><p>It specifies a method to determine the acid-soluble part of the incineration residue, i.e. that part of the ignition residue obtained after incineration which is soluble in hydrochloric acid. If the residue is completely solu

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).