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Fixer PH | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/fixer-ph.102725/#:~:text=If%20the%20bottle%20doesn%27t%20say%20Photographer%27s%20Formulary%20TF-4%2C,of%20some%20developers%20%28some%20run%20up%20to%209%29.
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Alkaline vs. Acid fixers | Photrio.com Photography Forums
- https://www.photrio.com/forum/threads/alkaline-vs-acid-fixers.3850/
- I do know that alkaline fixers usually washes out quicker than acid fixers, unless you're making prints and using fixer at film strength - it is supported by research by Ilford that it provides sufficient fixing with radically shortened times …
Alkali vs Acid Fixers - largeformatphotography.info
- https://www.largeformatphotography.info/forum/showthread.php?139273-Alkali-vs-Acid-Fixers
- Neutral/alkaline fixers can have a few benefits vs equivalent acidic fixers depending on formulation, how acidic the acid fixer is, hardening vs non-hardening, regular vs rapid, etc. Without getting into too many details, the main benefit of non-acidic fixers - generally speaking - is that they will tend to wash out of photographic materials (particularly fiber-based …
Alkaline vs. Acid fixers | Page 2 | Photrio.com …
- https://www.photrio.com/forum/threads/alkaline-vs-acid-fixers.3850/page-2
- Jul 10, 2014. #26. When printing, an acid stop can help with uniformity, especially if you are eager to turn on the lights and see your print. I use a weak (1% acetic acid) stop before any fix, alkaline or not. There are acidic and neutral stop baths.
Fixer PH | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/fixer-ph.102725/
- If it's commercial fixer sold for amateur use, it's easy to tell if it's acidic. If the bottle doesn't say Photographer's Formulary TF-4, it's acidic. The fixers sold for C-41 processing are alkaline, but TF-4 is the only alkaline fixer sold over the counter to …
CHEMISTRY OF PHOTOGRAPHIC PROCESSING
- https://web.tech.uh.edu/digitalmedia/materials/3351/PHOTCHEM.pdf
- bath by changing the pH of the film from basic to acid. This is necessary because fix is an acid and is an expensive solution (stop bath is inexpensive). Failure to stop the film causes the base of the developer remaining on the film to react with the acid of the fix, thus neutralizing the fix. Acetic acid is a strong chemical and must be used carefully.
Photochemical Waste Management – CineStill Film
- https://cinestillfilm.com/pages/photo-waste-management
- Photographic processing effluent includes developer, fixer, bleach, and wash water involved in processing films and papers. Two key characteristics of photo-processing effluent are pH and the concentration of silver. Developer has a high pH and is therefore alkaline or caustic. Fixer has a low pH and is therefore acidic.
Alkaline Fixers - largeformatphotography.info
- https://www.largeformatphotography.info/forum/showthread.php?10085-Alkaline-Fixers
- When the film fixer starts to clear a leader in about 50 to 1 minute, I toss it. You can use just a water bath between developer and fixer for paper also. Try a running water bath for about 30 seconds or so. I still use the acidic stop for paper but water for film. After acidic stop for paper I go to a water bath for about 30 to 45 seconds.
Alkaline Fix - Pictorial Planet
- http://pictorialplanet.com/advanced_photography/alkaline_fixers.html
- Alkaline fixers are preferred if you are using Pyrogallol or Pyrocatechin film developers or processing Chloro-bromide warm tone papers. In Litho work, an alkali fix helps maintain optimum warmth and improves on the delicate highlights. Alkaline fixers wash out of film and paper more readily and are safer if archival permanence is sought.
Alkaline Fixer | UK Large Format Photography
- https://5x4.co.uk/threads/alkaline-fixer.1388/
- Alkaline Fixer, 4 Liters Water - 2800 ml Sodium Thiosulfate (crys)* - 1000 grams Sodium Sulfite - 60 grams Sodium Metaborate** - 40 grams Water to make - 4000 Ml (4 liters) I start with water temp about 40 C or higher (100 F). Hypo cools the water as it dissolves. *not anhydrous **Balanced Alkali Fix twice the time it takes to clear the film.
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