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Superadditive developer information

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Photographic developer solutions may contain more than one developing agents, such as Metol and hydroquinone, or Phenidone and hydroquinone. This is because they work together to a synergistic effect, called superadditive development.

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Superadditive developer

Last Update: 2022-02-25T11:56:06Z

synergistic effect, called superadditive development. Superadditive development commonly means that the mathematical superadditive inequality holds for the...

Word Count : 430

Photographic developer

Last Update: 2023-11-28T14:58:21Z

Eastman Kodak D-76 film developer, D-72 print developer, and D-96 motion picture negative developer. Hydroquinone is superadditive with metol, meaning that...

Word Count : 2453

Metol

Last Update: 2023-11-27T22:43:16Z

greater than the sum of rates of development by each agent used alone (superadditivity). This combination is very versatile; by varying the quantities of...

Word Count : 489

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