Photography. Processed photographic colour films and paper prints. Methods for measuring image stability LONG_TITLE Partitions are graded according to

Partitions are graded according to the level of activity in adjacent spaces and the degree of care likely to be exercised by people in the area for a partition to be described as having a particular grade shall pass all the tests for that grade

Annex B (informative) Check character systems for other alphabets

The units for pressure and temperature are also given

This information can ge used as a guide to their application

BS 4258-5:1989 includes a technical change with respect to BS 4258-5:1975

Photography. Processed photographic colour films and paper prints. Methods for measuring image stability LONG_TITLE Partitions are graded according to1 Scope This International Standard describes test methods for determining the long term dark storage stability of colour photographic images and the colour stability of such images when subjected to certain illuminants at specified temperatures and relative humidities. This International Standard is applicable to colour photographic images made with traditional, continuous tone photographic materials with images formed with dyes. These images are