# ISO 1656:1996 — Withdrawn and superseded ISO standards

For ISO 1656:1996, item title is Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content; status code is 9599; successor is ISO 1656:2014; withdrawn / published date is 1996-01-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1656:1996 _(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 1656:2014
- **Withdrawn / published date:** 1996-01-18 _(verified: appears in the quote below)_

## What the source says

> 23784,IS,,ISO 1656:1996,"Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content",Caoutchouc brut naturel et latex de caoutchouc naturel — Dosage de l'azote,1996-01-18,3,['83.040.10'],ISO/TC 45/SC 3,9599,[6273],[63607],"['en','fr']",13,<p>Specifies a macro-method and a semi-micro method for the determination of the nitrogen content in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process. Replaces the second edition.</p>

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).