· 7 min read
Split Toning in Dilute Selenium: Shadow-First Colour Separation
How weak selenium baths tone shadows before mid-tones, why the print must be watched to a chosen stopping point, and how to combine toners for two-colour results.
All our articles about toning
· 6 min read
Gold Toning: Cool Blue Image Colour and Archival Permanence
How gold chloride deposits metallic gold over silver to cool a print toward blue, improve permanence, and produce red-chalk tones after sepia.
· 6 min read
Sepia Toning by the Bleach-and-Redevelop Process
How the two-bath sulphide sepia process converts image silver to silver sulphide, and how bleach dilution controls warmth and split-toning.
· 7 min read
Selenium Toning for Archival Permanence and Tonal Shift
How selenium converts image silver to stable silver selenide, what dilution and time control colour shift, and the effect on maximum black and Dmax.