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Cyanotype / DMDTC - VOSO4 Toning

REF #108

Grey brown Grey yellow Taupe Light Beige Pale sage green Dark Sea Green 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%

Vanadyl sulfate VOSO4(H2O)x sol. 2%

365nm

Operating procedure

1. Make a basic cyanotype (6 min), with 30+30s rinsing, do not dry.
2. VOSO4 bath for 2 min.
3. Rinse 30+30+30 seconds.
4. DMDTC bath for 1 min.
5. Rinse 30+30+30 seconds.

A brown/chocolate image on a yellow-greenish background, paper stained yellow-greenish