Often used as a synonym for Sodium thiosulphate or for motion picture film fixer. The name of a fixing bath made from ammonium or sodium thiosulfate, other chemicals, and water.

Hypo Eliminator

Chemical used to clear fixer from an emulsion to shorten washing time or to improve archival keeping properties.


Case, D., 1985, Motion Picture Film Processing, Media Manuals, Focal Press, London, Boston