# ISO 3543:1981 — Withdrawn and superseded ISO standards For ISO 3543:1981, item title is Metallic and non-metallic coatings — Measurement of thickness — Beta backscatter method; status code is 9599; successor is ISO 3543:2000; withdrawn / published date is 1981-07-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 3543:1981 _(verified: appears in the quote below)_ - **Item title:** Metallic and non-metallic coatings — Measurement of thickness — Beta backscatter method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3543:2000 - **Withdrawn / published date:** 1981-07-01 _(verified: appears in the quote below)_ ## What the source says > 8934,IS,,ISO 3543:1981,Metallic and non-metallic coatings — Measurement of thickness — Beta backscatter method,Revêtements métalliques et non métalliques — Mesurage de l'épaisseur — Méthode par rétrodiffusion des rayons bêta,1981-07-01,1,"['25.220.20','25.220.40']",ISO/TC 107,9599,,[20313],"['en','fr']",9, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).