# ISO 304:1978 — Withdrawn and superseded ISO standards

For ISO 304:1978, item title is Surface active agents — Determination of surface tension by drawing up liquid films; status code is 9599; successor is ISO 304:1985; withdrawn / published date is 1978-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 304:1978 _(verified: appears in the quote below)_
- **Item title:** Surface active agents — Determination of surface tension by drawing up liquid films _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 304:1985
- **Withdrawn / published date:** 1978-11-01 _(verified: appears in the quote below)_

## What the source says

> 4237,IS,,ISO 304:1978,Surface active agents — Determination of surface tension by drawing up liquid films,Agents de surface — Détermination de la tension superficielle par étirement de films,1978-11-01,1,['71.100.40'],ISO/TC 91,9599,,[4238],"['en','fr']",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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).