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Cyanotype / DMDTC - SnCl2 Toning

REF #105

White Dark Cocoa Brown Pale Mauve Grayish Mauve Taupe Grayish Lavender Chocolate Brown Burnt Umber

Potassium Ferricyanid K3[Fe(CN)6] sol. 8%

Ferric Ammonium Citrate [NH4]{y}[Fe{x}(C6H4O7)] sol. 20%

Sodium Dimethyl Dithiocarbamate (DMDTC) C3H6NNaS2 sol. 2%

Stannous chloride SnCl2 sol. 1%

365nm

Operating procedure

1. Make a basic cyanotype (6 min), with 30+30s rinsing, do not dry
2. SnCl2 bath for 2 min
3. Rinse for 30+30+30 seconds
4. DMDTC bath for 1 min
5. Rinse for 30+30+30 seconds