| 摘要 |
This disclosure relates to a new and useful complex of silver ion with nitrilotriacetate ions which is particularly useful in sensitizing a photographic latent image on a photosensitive medium especially those in which the photosensitive component is a photoconductor. The complex can be applied to the photoexposed medium or formed on the medium before or during photoprocessing. Also described are methods of photoprocessing latent photographic images, especially by amplifying latent silver images with nonsilver metals such as copper and tin.
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