A process formerly used for making photographic prints, using a finely precipitated platinum salt and an iron salt in the sensitizing solution to produce prints in platinum black.

 
  • 铂盐印像法以前用来制作摄影照片的方法,它使用精的微细沉淀的铂盐和一种铁盐感光液中制成铂黑的照片
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