# ISO 1138:1981 — Withdrawn and superseded ISO standards

For ISO 1138:1981, item title is Rubber compounding ingredients — Carbon black — Determination of sulphur content; status code is 9599; successor is ISO 1138:2007; withdrawn / published date is 1981-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1138:1981 _(verified: appears in the quote below)_
- **Item title:** Rubber compounding ingredients — Carbon black — Determination of sulphur content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1138:2007
- **Withdrawn / published date:** 1981-12-01 _(verified: appears in the quote below)_

## What the source says

> 5676,IS,,ISO 1138:1981,Rubber compounding ingredients — Carbon black — Determination of sulphur content,Ingrédients de mélange du caoutchouc — Noir de carbone — Dosage du soufre total,1981-12-01,1,['83.040.20'],ISO/TC 45/SC 3,9599,,[44982],"['en','fr']",3,"<p>Lays down two methods for the determination of the total sulphur content in all types of carbon black for use in the rubber industry: Method A, using an oxygen bomb calorimeter; Method B, using a combustion furnace. The total sulphur content, expressed as a percentage by mass, is given by a formula.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).