Variantes of Cyanotype
Lightening with photographic bleach
Is not sodium hypochlorite
Bleach dye - tannic acid
Lightening with bleach, then dyeing with tannic acid. The best dye I have found that produces dee...
Na2CO3 dye - tannic acid
Lightening with calcium carbonate, then dyeing with tannic acid.
Ammonia dye - tannic acid
Lightening with highly diluted ammonia, then dyeing with tannic acid.
MnSO4 toning
Manganese sulphate bath after a normal cyanotype
CuSO4 toning
Copper sulphate bath after a normal cyanotype
CuSO4-Na2S toning
Copper sulphate/sodium sulphide bath after a normal cyanotype. The use of Na2S is always disappoint...
CuSO4 - Vitamin C toning
Copper sulphate bath followed by ascorbic acid after a normal cyanotype process. This turn is inter...
Na2S turn
Like the CuSO4-Na2S reaction, it will oxidise to produce sulphur.
Na2S - NiSO4 toning
Nickel sulphate/sodium sulphide bath after a normal cyanotype. The use of Na₂S is always disappoint...
CaCl2 toning
Calcium chloride has one major advantage: it produces a slight whitening effect.
CuSO4 development
Direct development with CuSO4, without going through the water washing stage. Copper ferricyanide w...
ZnSO4 development
Direct development with ZnSO4, without going through the water washing stage. Zinc ferricyanide wil...
SnCl2 development
Direct development with SnCl2, without going through the water washing stage. Tin ferricyanide will...
DMDTC development
Direct development with DMDTC, without going through the water washing stage. Copper ferricyanide w...
MnSO4 development
Direct development with MnSO4, without going through the water washing stage. Manganese ferricyanid...
NiSO4 toning
Nickel sulphate bath after a normal cyanotype
VOSO4 toning
Vanadyl sulphate bath after a normal cyanotype