Cyanotype / Lightening with vinegar

Cyanotype / Lightening with vinegar

REF #28
Potassium Ferricyanid K3[Fe(CN)6] sol. 8%
1
Ferric Ammonium Citrate [NH4]{y}[Fe{x}(C6H4O7)] sol. 20%
1
Vinegar C2H4O2

Operating procedure

Classic cyanotype:

1. Mix the components in equal parts.
2. Spread onto a sheet.
3. Leave to dry in the shade. (30 mins)
4. Expose (here 5 mins with my equipment)
5. Rinse 3 times for 30 seconds in cold water
6. 14% vinegar for 30 seconds
8. Rinse 3 times for 30 seconds in cold water
9. Leave to dry