# ISO 1656:2014 — Withdrawn and superseded ISO standards

For ISO 1656:2014, item title is Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content; status code is 9599; successor is ISO 1656:2019; withdrawn / published date is 2014-10-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1656:2014 _(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 1656:2019
- **Withdrawn / published date:** 2014-10-15 _(verified: appears in the quote below)_

## What the source says

> 63607,IS,,ISO 1656:2014,"Rubber, raw natural, and rubber latex, natural — Determination of nitrogen content",Caoutchouc brut naturel et latex de caoutchouc naturel — Dosage de l'azote,2014-10-15,4,['83.040.10'],ISO/TC 45/SC 3,9599,[23784],[74331],"['en','fr','ru']",19,<p>ISO 1656:2014 specifies a macro-method and a semi-micro method for the determination of nitrogen in raw natural rubber and in natural rubber latex using variants of the Kjeldahl process.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).