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Caffenol is a photographic alternative process whereby phenols, sodium carbonate and optionally vitamin C are used in aqueous solution as a film and print photographic developer. [ 1 ] [ 2 ] Other basic (as opposed to acidic ) chemicals can be used in place of sodium carbonate; however, sodium carbonate is the most common.
Ap-41 process (pre-1978 Agfa color slides; 1978-1983 was a transition period when Agfa slowly changed their color slide films from AP-41 to E6) Anthotype; Autochrome Lumière, 1903; Carbon print, 1862; Chromogenic positive E-3 process; E-4 process; E-6 process; Chromogenic negative C-41 process; RA-4 process; Dufaycolor; Dye destruction ...
The biosynthesis of caffeine is an example of convergent evolution among different species. [206] [207] [208] Caffeine may be synthesized in the lab starting with 1,3-dimethylurea and malonic acid. [clarification needed] [204] [205] [209] Production of synthesized caffeine largely takes place in pharmaceutical plants in China. Synthetic and ...
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Podcast king Joe Rogan said Sunday the mysterious drones that have buzzed around the tristate area have left him “genuinely concerned” after watching a video that floated an unverified theory ...
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The bed seems like a good idea. It's big, it's furry, and it's pretty darn cute. It looks like a dog's paw.But it's not great for small dogs, as the woman learned recently.
WASHINGTON — With Donald Trump heading back to the White House, a growing band of younger, more energetic House Democrats is challenging seasoned veterans for powerful congressional posts ...