# ISO 5506:1978 — Withdrawn and superseded ISO standards

For ISO 5506:1978, item title is Soya-bean products — Determination of urease activity; status code is 9599; successor is ISO 5506:1988; withdrawn / published date is 1978-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5506:1978 _(verified: appears in the quote below)_
- **Item title:** Soya-bean products — Determination of urease activity _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5506:1988
- **Withdrawn / published date:** 1978-11-01 _(verified: appears in the quote below)_

## What the source says

> 11553,IS,,ISO 5506:1978,Soya-bean products — Determination of urease activity,Produits dérivés du soja — Détermination de l'activité uréasique,1978-11-01,1,['67.200.20'],ISO/TC 34/SC 2,9599,,[11554],"['en','fr']",2,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).