All our articles about selenium

Split Toning in Dilute Selenium: Shadow-First Colour Separation

· 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.

Selenium Toning for Archival Permanence and Tonal Shift

· 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.