# ISO 18937:2020 — Withdrawn and superseded ISO standards For ISO 18937:2020, item title is Imaging materials — Photographic reflection prints — Methods for measuring indoor light stability; status code is 9599; successor is ISO 18937-1:2023 | ISO 18937-2:2023; withdrawn / published date is 2020-01-06, recorded from its source on 2026-08-05. - **Identifier:** ISO 18937:2020 _(verified: appears in the quote below)_ - **Item title:** Imaging materials — Photographic reflection prints — Methods for measuring indoor light stability _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 18937-1:2023 | ISO 18937-2:2023 - **Withdrawn / published date:** 2020-01-06 _(verified: appears in the quote below)_ ## What the source says > 74075,IS,,ISO 18937:2020,Imaging materials — Photographic reflection prints — Methods for measuring indoor light stability,Matériaux pour l'image — Tirages photographiques par réflexion — Méthodes de mesure de la stabilité de la lumière en intérieur,2020-01-06,2,['37.040.20'],ISO/TC 42,9599,[57700],"[81901,81902]",['en'],21,"

This document describes test equipment and procedures for measuring the light stability of colour photographic reflection prints designed for display, when subjected to a filtered xenon-arc light source simulating daylight through windows at specified temperatures and relative humidity.

This document is applicable to photographic reflection prints, made with ana ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).