# ISO 3451-4:1998 — Withdrawn and superseded ISO standards

For ISO 3451-4:1998, item title is Plastics — Determination of ash — Part 4: Polyamides; status code is 9599; successor is ISO 3451-4:2024 | ISO/WD 3451 | ISO/NP 3451-4; withdrawn / published date is 1998-12-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3451-4:1998 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of ash — Part 4: Polyamides _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3451-4:2024 | ISO/WD 3451 | ISO/NP 3451-4
- **Withdrawn / published date:** 1998-12-20 _(verified: appears in the quote below)_

## What the source says

> 27078,IS,,ISO 3451-4:1998,Plastics — Determination of ash — Part 4: Polyamides,Plastiques — Détermination du taux de cendres — Partie 4: Polyamides,1998-12-20,2,['83.080.20'],ISO/TC 61/SC 5,9599,[8785],"[85978,39708,61922]","['en','fr']",5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).