# ISO 5990:1996 — Withdrawn and superseded ISO standards

For ISO 5990:1996, item title is Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l aqueous solution; status code is 9599; successor is ISO 5990:2000; withdrawn / published date is 1996-10-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5990:1996 _(verified: appears in the quote below)_
- **Item title:** Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l aqueous solution _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5990:2000
- **Withdrawn / published date:** 1996-10-17 _(verified: appears in the quote below)_

## What the source says

> 20055,IS,,ISO 5990:1996,"Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l aqueous solution",Photograhie — Produits chimiques de traitement — Spécifications relatives au sulfite de potassium en solution aqueuse à 650 g/l,1996-10-17,2,['37.040.30'],ISO/TC 42,9599,[12184],[33090],['en'],7,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).