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Argyro-Cyanotype

Argyro-Cyanotype

REF #80
White Sky blue Pale Lavender Lavender White
Ferric Ammonium Citrate [NH4]{y}[Fe{x}(C6H4O7)] sol. 20%
5
Silver nitrate AgNO3 sol. 10%
1
Potassium Ferricyanid K3[Fe(CN)6] sol. 8%
1
Sodium thiosulfate Na2S2O3 sol. 1%
365nm inactinique

Operating procedure

1. Mix the citrate, nitrate and ferricyanide.
2. Spread onto a sheet.
3. Leave to dry for 30 minutes.
4. Expose (6 minutes).
5. Wash for 3 x 30 seconds.
6. Fix for 2 minutes.
7. Wash for 3 x 30 seconds.