# ISO 2470:1977 — Withdrawn and superseded ISO standards

For ISO 2470:1977, item title is Paper and board — Measurement of diffuse blue reflectance factor (ISO brightness); status code is 9599; successor is ISO 2470:1999; withdrawn / published date is 1977-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2470:1977 _(verified: appears in the quote below)_
- **Item title:** Paper and board — Measurement of diffuse blue reflectance factor (ISO brightness) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2470:1999
- **Withdrawn / published date:** 1977-02-01 _(verified: appears in the quote below)_

## What the source says

> 7384,IS,,ISO 2470:1977,Paper and board — Measurement of diffuse blue reflectance factor (ISO brightness),Papier et carton — Mesurage du facteur de réflectance diffuse dans le bleu (degré de blancheur ISO),1977-02-01,2,['85.060'],ISO/TC 6,9599,[33194],[1466],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).