# ISO 3451-1:2019 — Withdrawn and superseded ISO standards For ISO 3451-1:2019, item title is Plastics — Determination of ash — Part 1: General methods; status code is 9599; successor is ISO 3451-1:2026; withdrawn / published date is 2019-02-06, recorded from its source on 2026-08-05. - **Identifier:** ISO 3451-1:2019 _(verified: appears in the quote below)_ - **Item title:** Plastics — Determination of ash — Part 1: General methods _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3451-1:2026 - **Withdrawn / published date:** 2019-02-06 _(verified: appears in the quote below)_ ## What the source says > 71205,IS,,ISO 3451-1:2019,Plastics — Determination of ash — Part 1: General methods,Plastiques — Détermination du taux de cendres — Partie 1: Méthodes générales,2019-02-06,5,['83.080.01'],ISO/TC 61/SC 5,9599,[41663],[91099],"['en','fr']",9,"
This document specifies general methods, with suitable test conditions, for the determination of the ash of a range of plastics. The particular conditions chosen can be included in the specifications for the plastic material in question.
Particular conditions applicable to poly(alkylene terephthalate) materials, unplasticized cellulose acetate, polyamides and poly(vinyl chloride) plastics, including some specific filled, glass-fibre-reinforced an ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).