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CHEMISTRY OF PHOTOGRAPHIC PROCESSING
- https://web.tech.uh.edu/digitalmedia/materials/3351/PHOTCHEM.pdf#:~:text=Sodium%20thiosulfate%2C%20a%20salt%2C%20is%20the%20main%20ingredient,processing%20are%20inorganic%2C%20and%2C%20thus%2C%20contain%20no%20carbon.
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Which chemical is used as a “Fixer” in photography? - Quora
- https://www.quora.com/Which-chemical-is-used-as-a-Fixer-in-photography
- Fixation is commonly achieved by treating the film or paper with a solution of thiosulfate salt. Popular salts are sodium thiosulfate —commonly called hypo— and ammonium thiosulfate —commonly used in modern rapid fixer formulae.[1] Fixation involves these chemical reactions (X = halide, typically Br−): AgX + 2 S2O32− → [Ag(S2O3)2]3− + X−
US5629138A - Photographic fixer composition and …
- https://patents.google.com/patent/US5629138A/en
- The present invention provides a fixer composition and a method of processing an exposed photographic silver halide element comprising the steps of …
EP0712037A1 - Photographic fixer compositions and …
- https://patents.google.com/patent/EP0712037A1/en
- A photographic fixer compositions comprising a silver halide solvent, an aluminum salt hardening agent, a buffering agent and ammonium ions in amount of at least 0.20 mol/l, wherein said fixer...
chemical composition of photographical solutions | Photo.net ...
- https://www.photo.net/discuss/threads/chemical-composition-of-photographical-solutions.46481/
- 1- what is the base chemical composition of photographical solutions (fixer bleach...)? 2- what occur to this solutions when we store them for long...
CHEMISTRY OF PHOTOGRAPHIC PROCESSING
- https://web.tech.uh.edu/digitalmedia/materials/3351/PHOTCHEM.pdf
- Sodium thiosulfate, a salt, is the main ingredient in fixer. Potassium Bromide, often found in developer, is also a salt. With the exception of acetic acid (stop bath), most of the bases, salts and acids used in photographic processing are inorganic, and, thus, contain no carbon. Water, also inorganic, is used in all
Darkroom Chemicals: Everything You Need to Know – …
- https://thephotographyprofessor.com/darkroom-chemicals-everything-you-need-to-know/
- Fixer rinses away any leftover silver halide as well as the other darkroom chemicals so you can safely expose the film or print to light. Black and White Developers For black and white processing, some suggested darkroom chemicals for developing are: Kodak D-76 – A powder, this developer is an oldie but goodie.
Photography Chemicals – CSB/SJU
- https://www.csbsju.edu/environmental-health-safety/programs/studio-and-shop-safety/arts-theater/photography-chemicals
- Photo Chemicals Other Names Use Ingestion Haz Inhalation Haz Skin Contact Haz Other Hazards; 1: Acetic Acid, Glacial: Stop bath: Highly toxic: Highly toxic: Highly toxic: Corrosive and causes severe burns; can be fatal; combustible (Threshold Limit Value [TLV] 10 ppm: 2: Alum: Potassium aluminum sulfate: Hardener: Slightly toxic to moderately toxic: Slightly toxic: Slightly toxic: 3
The chemical used as a fixer/developer in photography is
- https://www.toppr.com/ask/question/the-chemical-used-as-a-fixerdeveloper-in-photography-is/
- Sodium sulphite Medium Solution Verified by Toppr Correct option is C) Photographic fixer is a mix of chemicals used in the final step in the photographic processing of film or paper. By fixation, the film or paper is insensitive to further action by light. Popular salts are sodium thiosulfate and ammonium thiosulfate. Was this answer helpful? 0 0
Fixing solution | Radiology Reference Article
- https://radiopaedia.org/articles/fixing-solution
- Components. fixing agent: sodium/ammonium thiosulfate, dissolves unexposed silver. hardener: potassium alum, to harden the gelatin emulsion in film. acidifier: sulfuric/acetic acid, to remove any residual alkalinity from previous developing. After fixing, washing under running water is done, which is then followed by drying of the x-ray film.
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