# ISO 1656:1974 — Withdrawn and superseded ISO standards

For ISO 1656:1974, item title is Raw natural rubber and natural rubber latex — Determination of nitrogen; status code is 9599; successor is ISO 1656:1988; withdrawn / published date is 1974-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1656:1974 _(verified: appears in the quote below)_
- **Item title:** Raw natural rubber and natural rubber latex — Determination of nitrogen _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1656:1988
- **Withdrawn / published date:** 1974-02-01 _(verified: appears in the quote below)_

## What the source says

> 6272,IS,,ISO 1656:1974,Raw natural rubber and natural rubber latex — Determination of nitrogen,Caoutchouc naturel brut et latex de caoutchouc naturel — Dosage de l'azote,1974-02-01,1,['83.040.10'],ISO/TC 45,9599,,[6273],"['en','fr']",4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).