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Photographic Developer - Formula - LiquiSearch
- https://www.liquisearch.com/photographic_developer/formula#:~:text=Photographic%20Developer%20-%20Formula%20Formula%20For%20black-and-white%20photography%2C,phenidone%20%281-phenyl-3-pyrazolidinone%29%20or%20dimezone%20%284%2C4-dimethyl-1-phenylpyrazolidin-3-one%29%20and%20hydroquinone%20%28benzene-1%2C4-diol%29.
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Photographic Developer - Formula - LiquiSearch
- https://www.liquisearch.com/photographic_developer/formula
- Formula. For black-and-white photography, the developer is typically a mixture of metol (monomethyl-p-aminophenol hemisulfate), phenidone (1-phenyl-3-pyrazolidinone) or dimezone (4,4-dimethyl-1-phenylpyrazolidin-3-one) and hydroquinone (benzene-1,4-diol). These are made up in aqueous solution with a suitable alkaline agent such as sodium carbonate, borax, or sodium …
Photographic Chemical Formulas - Daniel Devine …
- http://www.danieldevinephotography.com/?p=4317
- Mix 40 milliliters of A and 100 millilitres of B with 1000 millilitres of distilled water to make a working solution. This highly compensating formula causes a speed …
Photographic formulas from The Frugal Photographer
- https://frugalphotographer.com/info-formulary-general.htm
- Another version of this formula, from Wall's Photographic Facts and Formulas (American Photographic Publishing, Boston, 1924): Warm water, 400 ml Sodium sulfite (anhydrous), 125g Glycin, 100g mix well and add, gradually Potassium carbonate, 500g water to make 750 ml This developer is not an actual paste, but it is quite thick.
US2163166A - Photographic developer - Google Patents
- https://patents.google.com/patent/US2163166A/en
- formula phenylenediamine photographic developer developers Prior art date 1936-05-27 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US143724A Inventor Wilmanns Gustav
Beutler developer formulae | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/beutler-developer-formulae.73828/
- From the Manual of Photography, 7th edition Beutler developer Stock Solution A Metol 10g Sodium sulfite 50g Water to make 1 liter Stock Solution B Sodium carbonate 50g Water to make 1 liter Working Strength 1 part A, 1 part B and 8 parts water. Time: 8-15 min., 20°C/68°F. Use once only. FX-1 High acutance developer
How to make your own developer and fixer from the
- https://www.diyphotography.net/how-to-make-your-own-developer-and-fixer-from-the-stuff-you-have-in-the-kitchen/
- For the developer (caffenol), you’ll need coffee granules, vitamin c powder/tablets, and washing soda. You can even make washing soda from baking soda, but I can’t tell if it would work for the developer. For the fixer, all you need is table salt and some warm water.
Hydroquinone used as a photographic developer - Question …
- https://www.questionsolutions.com/hydroquinone-used-photographic-developer/
- Hydroquinone used as a photographic developer, is 65.4% C, 5.5% H, and 29.1% O, by mass. What is the empirical formula of hydroquinone? Solution: In most cases, when a question asks us to find an empirical formula without giving us a specific sample size, it’s best to assume a sample size of 100 g.
CD4 Color Film Developer | Photrio.com Photography …
- https://www.photrio.com/forum/threads/cd4-color-film-developer.38832/
- The formula used for Fuji Superia 200 and Kodak Gold 400: Water 500ml @ approx 112 degrees Sodium Sulfite (A) .5 grams (approx 1/8 tsp) CD4 .35 grams (approx 1/8 tsp) Potassium Iodide 1.8 milligrams Potassium Bromide .25 grams Potassium Carbonate (A) 4 grams (approx 2/3 tsp)
The effects of benzotriazole in a photographic developer on …
- https://scholarworks.rit.edu/cgi/viewcontent.cgi?article=7590&context=theses
- Figure 1. Structural formula of benzotriazole Some organic compounds in the developer will adsorb to the silver halide crystal during development and cause a change in the developed image structure. Ithas been shown that benzotriazole (structural formula shown in figure 1.) in the developer covers only 10-15% of the silver crystal
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