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Biodegradability of Photographic Developers and Ingredients of Photographic Developers,especially of Hydroquinone and Isoascorbic Acid |
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| Authors: | H Lebertz J Springer |
| Abstract: | The biodegradability of 5 different commercially available common photographic developers and their ingredients hydroquinone, isoascorbic acid, and its sodium salt was determined in parallel using the OECD-screening-test (OECD 301E). The results obtained from the degradation test on hydroquinone were compared with the results of other laboratories. Biodegradability of developers containing isoascorbic acid was in the same range as of comparable products containing hydroquinone. |
| Keywords: | Photographic Developers Hydroquinone Erythorbic Acid Isoascorbic Acid Biodegradability OECD-Screening-Test |