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- The main chemical used to make 'hypo' solutions used in photographic processing. See [[sodium thiosulfate]].160 bytes (19 words) - 15:17, 3 October 2022
- White, translucent, odorless crystals. Sodium hyposulfite, or hypo, is primarily used as a fixing agent in photographic developing baths to di hypo; sodium hyposulfite; disodium thiosulfate; hyposulfite of soda; sodium subs3 KB (351 words) - 11:34, 2 June 2022
- ...] and de-[[size|size]] textiles. It is used in photographic solution as a hypo eliminator to remove [[sodium%20thiosulfate|sodium thiosulfate]] from the p2 KB (205 words) - 11:31, 25 August 2022
- ...all, as a bleach. Potassium permanganate is used to tan leathers and as a hypo eliminator in photographic processing solutions.2 KB (282 words) - 11:28, 25 August 2022
- ...used as a reducing agent in photographic fixers and as a replacement for 'hypo' ([[sodium%20thiosulfate|sodium thiosulfate]]). It is also used for bleachi2 KB (293 words) - 11:29, 2 June 2022