The sepia tone is generated by turning the silver into silver sulfide,
that is tarnish is a a brown/tan color. The tone generated with
selenium is selenium toning, and generates a red-brown color when
lightly done, and a purple color when heavily done. I am not sure if I
would rather look like a smurf or Barney the dinosaur.
Marshall
Alchemysa wrote:
Many of us will have heard that taking selenium (usually in Brazil
nuts) may possibly reduce the risk of argyria. Perhaps it may also
provide a year-round 'sepia' tan.
http://en.wikipedia.org/wiki/Photographic_print_toning
(Selenium toning is a popular archival toning process, converting
metallic silver to silver selenide. In a diluted toning solution,
selenium toning gives a red-brown tone")
David
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