fixer

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fixer

 [fik´ser]
the chemical used to remove unexposed, underdeveloped silver compounds and to harden gelatin or emulsion on film.

fix·er

(fiks'ĕr)
In photography and radiography, a solution that removes both the unexposed and undeveloped silver halide crystals from the film emulsion and hardens the gelatin.

fix·er

(fiks'ĕr)
In photography and radiography, a solution that removes both the unexposed and undeveloped silver halide crystals from the film emulsion and hardens the gelatin.