# ISO 1656:1988 — Withdrawn and superseded ISO standards

For ISO 1656:1988, item title is Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content; status code is 9599; successor is ISO 1656:1996; withdrawn / published date is 1988-10-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1656:1988 _(verified: appears in the quote below)_
- **Item title:** Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1656:1996
- **Withdrawn / published date:** 1988-10-06 _(verified: appears in the quote below)_

## What the source says

> 6273,IS,,ISO 1656:1988,"Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content",Caoutchouc brut naturel et latex de caoutchouc naturel — Dosage de l'azote,1988-10-06,2,['83.040.10'],ISO/TC 45,9599,[6272],[23784],"['en','fr']",10,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).