Kallitype printing and Gold toning

Kallitype printing procedure by Davide Carraro (more details in the description) The negative is printed with Piezography inks on Pictorico film, dmax 1.8. The sensitizer is prepared from equal parts of silver nitrate 10% and ferric oxalate 20% and by the adding, depending on the paper, of PVA (polyvinyl alcohol) 5% and Tween20 20%. Developer Sodium Citrate 200g Citric Acid 30g Ammonium dichromate saturated solution 0,2ml Water to 1000ml Clearing Citric Acid 40g Water to 1000ml Fixer Sodium Thiosulfate 50g Sodium Carbonate 10g Sodium Sulfite 1g Water to 1000ml Hypo Sodium bicarbonate 20g Water to 1000ml - Davide Carraro instagram: piritegram   / piritelab