# ISO 3028:1974 — Withdrawn and superseded ISO standards

For ISO 3028:1974, item title is Photography — Expendable photoflash lamps — Determination of relative spectral energy distribution for calculation of spectral distribution index; status code is 9599; successor is ISO 3028:1984; withdrawn / published date is 1974-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3028:1974 _(verified: appears in the quote below)_
- **Item title:** Photography — Expendable photoflash lamps — Determination of relative spectral energy distribution for calculation of spectral distribution index _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3028:1984
- **Withdrawn / published date:** 1974-12-01 _(verified: appears in the quote below)_

## What the source says

> 8113,IS,,ISO 3028:1974,Photography — Expendable photoflash lamps — Determination of relative spectral energy distribution for calculation of spectral distribution index,Photographie — Lampes à éclair à combustion — Détermination de la distribution spectrale énergétique relative en vue du calcul de l'indice de distribution spectrale,1974-12-01,1,['37.040.10'],ISO/TC 42,9599,,[8114],"['en','fr']",6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).