# ISO 638:1978 — Withdrawn and superseded ISO standards

For ISO 638:1978, item title is Pulps — Determination of dry matter content; status code is 9599; successor is ISO 638:2008; withdrawn / published date is 1978-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 638:1978 _(verified: appears in the quote below)_
- **Item title:** Pulps — Determination of dry matter content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 638:2008
- **Withdrawn / published date:** 1978-10-01 _(verified: appears in the quote below)_

## What the source says

> 4764,IS,,ISO 638:1978,Pulps — Determination of dry matter content,Pâtes — Détermination de la teneur en matières sèches,1978-10-01,1,['85.040'],ISO/TC 6,9599,,[42267],"['en','fr']",2,"<p>Applies to moist and air-dry pulp which does not contain any appreciable quantity of matter, other than water, volatile at the temperature specified for the drying, and is not applicable to the dry matter content of slush pulp or to the determination of the saleable mass of pulp lots.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).