Archived posting to the Leica Users Group, 1999/04/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Tina Manley wrote: > > At 07:32 AM 4/2/99 -0600, Eric wrote: > > >Some toners, like selenium, can contribute to longevity of prints. I > >believe sepia does not. The other factors for storing negatives is keep snip > Traditional sepia toning involving bleaching and redeveloping adds about > the same amount of permanence that selenium toning does. snip And I remember that selenium protects the Silver from the Sulfur Dioxide in the Atmosphere. Mark Rabiner