DS/ISO 4331
Photography - Processed photographic film for archival r ecords - Silver-gelatin type on cellulose ester base - Speci fications
| Organization: | DS |
| Publication Date: | 1 January 1978 |
| Status: | inactive |
scope:
The standard establishes the specifications for safety cellu lose ester type films having silver-gelatin type emulsions p rocessed to produce a stable black-and-white photographic im age.Silver images produced by full reversal processing are i ncluded.Silver images that have been chemically altered by t reatments such as toning,reduction,or intensification are ex cluded.Colour films are excluded.However, a gold protection treatment is not excluded.Silver images produced by dry proc essing,diffu--------
Document History