# ISO 9028:1989 — Withdrawn and superseded ISO standards

For ISO 9028:1989, item title is Rubber — Dissolution by acid digestion; status code is 9599; successor is ISO 9028:2006; withdrawn / published date is 1989-07-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9028:1989 _(verified: appears in the quote below)_
- **Item title:** Rubber — Dissolution by acid digestion _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9028:2006
- **Withdrawn / published date:** 1989-07-13 _(verified: appears in the quote below)_

## What the source says

> 16589,IS,,ISO 9028:1989,Rubber — Dissolution by acid digestion,Caoutchouc — Dissolution par attaque acide,1989-07-13,1,['83.060'],ISO/TC 45/SC 2,9599,,[43686],"['en','fr']",2,<p>Relates to methods for disintegration of raw rubber and rubber products by nitric acid or a mixture of nitric and sulphuric acids. They will be used in order to produce solutions for the determination of metals. Methods prevent loss of volatile metal derivatives or the formation of insoluble metal silicates.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).