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 Kodak D-21

Stock Solution A

Sodium Bisulfite

9.8 grams

Pyro

60 grams

Potassium Bromide

1.1 grams

Water to make

1 liter


Stock Solution B

Water

1 liter

Sodium Sulfite

105 grams

Sodium Carbonate (desicated)

75 grams


For use, take 1 part A, 1 part B, and 8 parts water. Develop about 6 minutes at 65F (18C).

 


 A two solution pyro developer for trays
From "Elementary Photographic Chemistry," Eastman Kodak Co. 1929


(c) 1968-today John E. Simmons