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Formation of Cyan Leuco-dye in Color Photographic Materials Processing and Methods of its Prevention
Author(s): 
Pages: 30-32
Year: Issue:  6
Journal: IMAGE TECHNOLOGY

Keyword:  彩色感光材料彩色冲洗隐青染料;
Abstract: 在彩色感光材料冲洗过程中,经过彩色显影液处理的感光药膜中,同时生成黄、品红、青三种颜色的染料,但实际上由于青染料隐色体的电位比黄和品红染料隐色体的电位高,醌二亚胺阳离子没有足够的能力将其氧化,因此在彩色显影液中生成的是青染料的隐色体,只有在进入漂白液以后,才能形成真正的青色染料,如果由于某种原因,使得这种转变不能全部完成,就会有一部分青染料的隐色体存留在影像的青色部分,形成隐青,直接影响彩色影像的质量.本文系统地阐述了隐青的危害、产生的原因和解决的办法.
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