# ISO 3356:1975 — Withdrawn and superseded ISO standards

For ISO 3356:1975, item title is Milk and dried milk, buttermilk and buttermilk powder, whey and whey powder — Determination of phosphatase activity (Reference method); status code is 9599; successor is ISO 3356:2009 | ISO/WD 3356; withdrawn / published date is 1975-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3356:1975 _(verified: appears in the quote below)_
- **Item title:** Milk and dried milk, buttermilk and buttermilk powder, whey and whey powder — Determination of phosphatase activity (Reference method) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3356:2009 | ISO/WD 3356
- **Withdrawn / published date:** 1975-07-01 _(verified: appears in the quote below)_

## What the source says

> 8642,IS,,ISO 3356:1975,"Milk and dried milk, buttermilk and buttermilk powder, whey and whey powder — Determination of phosphatase activity (Reference method)","Lait et lait sec, babeurre et poudre de babeurre, sérum et poudre de sérum — Détermination de l'activité phosphatasique (Méthode de référence)",1975-07-01,1,['67.100.10'],ISO/TC 34/SC 5,9599,,"[44539,38484]","['en','fr']",3,<p>Can be applied for the control of proper pasteurization of the products specified in the title of this standard. Uses a principle of determination based on the dilution of the liquid product or the reconstituted liquid product with a buffer at pH 10.6 containing disodium phenylphosphate and incubation at 37 deg

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).