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Storing chemicals | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/storing-chemicals.404273/#:~:text=In%20most%20cases%20the%20shelf%20life%20of%20a,the%20working%20life%20of%20a%20photo%20chemical%20indefinitely.
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Shelf life of Chemicals | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/shelf-life-of-chemicals.335533/
- mike_earussi|1. If it's powder, unopened and still dry then probably "forever." If liquid, a few years for developer and fix as long as the chemicals haven't settled out in the bottom, usually in crystal form (they don't easily remix once separated). Stop bath, being just acetic acid will also last "forever."
Determining shelf life of chemical solutions | Photrio.com …
- https://www.photrio.com/forum/threads/determining-shelf-life-of-chemical-solutions.168162/
- Determining shelf life of chemical solutions 1. Prepare a fresh solution 2. Measure the absorbance (on a spectrophotometer) 3. Store it as I will in practice. 4. Measure the absorbance weekly (may be daily) 5. Shelf life is established when absorbance changes 10 to 15% compared to fresh solution
Question about Chemical Shelf Life - large format …
- https://www.largeformatphotography.info/forum/showthread.php?97421-Question-about-Chemical-Shelf-Life
- The shelf life of the concentrates will vary with the particular product. Developers are the most volatile, subject to deterioration. But even those vary over a wide range. Rodinal will keep in concentrate form, even in a partially used bottle, for decades. Other chemicals like fixer have very long shelf lives.
Darkroom Chemicals: Everything You Need to Know – …
- https://thephotographyprofessor.com/darkroom-chemicals-everything-you-need-to-know/
- Keep reading to find out all you need to know about the chemicals used in the photographic darkroom. Today, ... This is highly concentrated and can only be used once and cannot be reused. Unlike most liquid darkroom chemicals, it has a very long shelf-life. ... have a short shelf life (around 2 months once opened), and you need to be very ...
Question about Chemical Shelf Life [Archive] - Large Format …
- https://www.largeformatphotography.info/forum/archive/index.php/t-97421.html
- View Full Version : Question about Chemical Shelf Life. Leigh. 1-Dec-2012, 14:48. I've been doing the same for over 50 years with no problems. The shelf life of the concentrates will vary with the particular product. Developers are the most volatile, subject to deterioration.
Shelf Lives of Common Chemical Reagents - OnePointe …
- https://www.onepointesolutions.com/blog/chemical-shelf-life/
- Imagine you acquire an unopened container of acetic acid, which has a shelf life of 3 years. It is currently April 2020, which would mean that our hypothetical reagent will reach the end of its shelf life in April of 2023. If the container of acetic acid is opened in October of 2021, the reagent will now need to be thrown away in January 2022 ...
Best Photography Chemicals for Developing Film - ARTnews.com
- https://www.artnews.com/art-news/product-recommendations/best-photography-chemicals-1234575760/#!
- Below are five lauded photography chemicals for film and paper development that you can always come back to for dependable results. 1. Kodak D-76 Developer Powder. If you stop 10 photographers on ...
developing - Photography Stack Exchange
- https://photo.stackexchange.com/questions/79874/how-to-determine-if-chemicals-for-development-of-film-are-still-good
- As you know, film and the chemicals of the developing process all have a shelf life. As to the chemicals of the process: Concentrates are packaged photo developing chemicals that must be diluted with water. Concentrates, in the original packaging, unopened, have an indefinite shelf life, perhaps many years.
How long do film developing chemicals last? - Quora
- https://www.quora.com/How-long-do-film-developing-chemicals-last
- The life rating is cumulative: if a photo is on display for 50 years, then it can be put away for an additional 100 years before any noticeable change occurs. Photo negatives are typically stored in the dark, so they should easily make it to 200 years, assuming the storage medium doesn’t have an effect. Note that this is for a wash process system.
Chemicals | Photography Wiki | Fandom
- https://photography.fandom.com/wiki/Chemicals
- Many processing chemicals can be exchanged by common household products and get similar results. These substitutions are intended as a quick replacement when you run out of one of them or if you don't have access to them at all. For assured quality, use proper formulations. Used in the stop bath, it quickly halts film development. Can be replaced by: vinegar: one part common …
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