The Rate of Penetration of Photographic Chemicals into Gelatin Layers (III):Penetration Rate of Developing Agents under Diffusion-controlled Development
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概要
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The penetration of developing agents through emulsion layers under diffusion-controlled development was investigated with the test emulsions of various AgX/gelatin ratioes, halide compositions and degree of hardening.<BR>The distance of penetration was, in most cases, proportional to the square root of developing time. A good coincidence of observed penetration rate with the equation derived from Fick's law was found for hydroquinone development of hardened emulsions, but, for unhardened emulsions, the coincidence was observed only in a limited range. Metol was less diffusion-controlled than hydroquinone.<BR>The limit of wet processing rate was discussed from the results.
- 社団法人 日本写真学会の論文
社団法人 日本写真学会 | 論文
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