# ISO 2471:1977 — Withdrawn and superseded ISO standards

For ISO 2471:1977, item title is Paper and board — Determination of opacity (paper backing) — Diffuse reflectance method; status code is 9599; successor is ISO 2471:1998; withdrawn / published date is 1977-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2471:1977 _(verified: appears in the quote below)_
- **Item title:** Paper and board — Determination of opacity (paper backing) — Diffuse reflectance method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2471:1998
- **Withdrawn / published date:** 1977-02-01 _(verified: appears in the quote below)_

## What the source says

> 7385,IS,,ISO 2471:1977,Paper and board — Determination of opacity (paper backing) — Diffuse reflectance method,Papier et carton — Détermination de l'opacité sur fond papier — Méthode de réflexion en lumière diffuse,1977-02-01,2,['85.060'],ISO/TC 6,9599,,[1664],"['en','fr']",4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).