Kodak A-1671 - Manuals

A-1671 December 2001 2 Introduction Microscopic Blemishes Some processed silver gelatin microfilms in storage from two to twenty years have developed microscopically small colored spots or blemishes. The fogged leader at the outside of the roll is most frequently affected by the blemishes, which are...

A-1671 December 2001 3 The Image Permanence Institute (IPI) at the Rochester Institute of Technology (RIT ) in Rochester, New York, extensively researched redox blemishes in microfilms. 7 IPI’s research showed that selenium toning did not effectively stop the spread of redox. IPI then looked at a po...

A-1671 December 2001 4 For Table Top Processors* Mix the brown toner solution at a dilution of 1:25 (1 part brown toner to 25 parts water). The temperature of the brown toner solution should be 100 0 F. If the machine speed varies, adjust it to allow for a minimum of 25 seconds of dwell time in the ...