# ISO 9848:1993 — Withdrawn and superseded ISO standards

For ISO 9848:1993, item title is Photography — Source document microfilms — Determination of ISO speed and ISO average gradient; status code is 9599; successor is ISO 9848:2003; withdrawn / published date is 1993-04-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9848:1993 _(verified: appears in the quote below)_
- **Item title:** Photography — Source document microfilms — Determination of ISO speed and ISO average gradient _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9848:2003
- **Withdrawn / published date:** 1993-04-29 _(verified: appears in the quote below)_

## What the source says

> 17726,IS,,ISO 9848:1993,Photography — Source document microfilms — Determination of ISO speed and ISO average gradient,Photographie — Microfilms de prise de vues — Détermination de la sensibilité ISO et du contraste moyen ISO,1993-04-29,1,"['37.040.20','37.080']",ISO/TC 42,9599,,[34534],"['en','fr']",7,"<p>The method of determination specified is based on exposing and processing samples, measuring density from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO average gradient. Applies to black-and-white camera negative photographic films used for first generation microfilming of source documents at exposure times typical

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).