Kallitype (VDB) formula

kallitype formula
(van dyke brown)

the sensitizer

my favourite old brush

Solution A: Ferric Ammonium Citrate 27 gr Distilled water to make 100 ml	Solution B: Tartaric Acid 4.5 gr Distilled water to make 100 ml	Solution C: Silver Nitrate 12 gr Distilled water to make 100 ml
Mix solutions A and B then add slowly C while stirring


the paper

Schleicher & Schuell Echt-Bütten AquarellKarton Hahnemühle	Arjo Wiggins Aquarelle Arches	Cartiere Miliani Fabriano spa 100% Cotton Hot Pressed - Satinata33
No sizing required


developing

First bath Wash in water for at least 1 minute	Second bath Fix in a 5% dilution of K-Thiosulfate in water (stop before bleaching)	Third bath Wash in water for at least 30 minutes
Use distilled water if possible
By the way... the web is full of details about kallitype and VDB. That is the reason why this page contains so few information. Experimenting and testing are crucial...

© Philippe Moroux -