zerochrome

A viable alternative to chromium salts in pigmented colloid printing.
A research paper by Simone Simoncini and Kees Brandenburg about the use of a novel method for pigment colloid printing published on alternativephotography.com

This site is about photographic printing with pigments and colloids. But without the classic sensitizer. It searches for ‘cleaner and greener’ methods to use beautiful printing techniques from the nineteenth century like gum printing, carbon transfer printing and other techniques.