The information may be required on the device itself

a part of the EN 50133 series

lists methods of test for checking the characteristic properties

The differences are summarized in Appendix A

This method is applicable

Imaging materials. Wet-processed silver-gelatin type black-and-white photographic reflection prints. Specifications for dark storage Ingestion-build-52208 The information may be required1 Scope This International Standard establishes the specifications for silver gelatin photographic reflection prints intended for dark storage. It covers silver gelatin print types of all weights. This International Standard applies to wet processed black and white silver gelatin photographic prints, including those that have been chemically treated (with a gold, selenium, sulfur, or other chemical treatment bath) to improve the permanence of the