PDFprof.comSearch Engine CopyRight

Which chemical is used in developing photographic films


Detailed Solution The correct answer is Silver Bromide. Silver Bromide is used in developing a photo from a photographic film. Gelatin emulsion consists of photographic paper and film.

What is the chemical used in photographic films?

The exact silver halide used is either silver bromide or silver bromochloroiodide, or a combination of silver bromide, chloride and iodide.

Which chemical is used for making a photographic image permanent?

Fixer dissolves the unexposed silver halide crystals, thereby making the image permanent. The first ingredient in the fixing solution is water, which is the solvent used to dissolve the other chemicals. The next ingredient is sodium thiosulfate, common- ly called hypo.

Which acid is used for making photographic films?

A roll of film consists of the emulsion and base that compose the film itself, the cassette or cartridge, and outer protective packaging. The materials used to make the emulsion are silver, nitric acid, and gelatin.

What chemicals do I need to process film?

Chemicals: You'll need three chemicals: developer, stop bath, and fixer, all of which you can buy in liquid or powdered forms. You may also want an optional wetting agent to prevent water marks from forming on your film as it dries.