Photographers' Formulary 30ml Ferric Oxalate (20%)

Photographers' Formulary Ferric Oxalate is used in Kallitype printing, Platinum printing, Palladium printing, Ziatype processes and In iron-toning solutions. Note: Light-sensitive material keep in light-tight container. Palladium salts are not light sensitive; therefore, in making a palladium print, the paper is coated with a mixture of Sodium Tetrachloropalladate and light-sensitive Ferric Oxalate.