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Does the absence of a color shift with certain papers mean that Se toning provides no significant protection for images on those papers? Thanks.
N. Riley
http://normanrileyphotography.com
Greg Lockrey
11-Aug-2007, 16:22
No, it does. Some papers just don't appear to show the toning but it did happen.
Oren Grad
11-Aug-2007, 16:23
No. The visual effect varies considerably by paper, and does not correlate with the extent of protection.
"Considerable" protection, though, may require more toning (more concentrated solution and/or longer time) than many older references indicate. More recent research suggests that the treatment traditionally recommended by Kodak for protection, relatively brief toning in Kodak Rapid Selenium Toner diluted 1+20 or 1+40, may leave much of the image silver unprotected.
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