D-11 is a vigorous film-and-plate developer with good keeping properties, for general use where high contrast is desired.

D-11 is recommended for use with high-contrast films for reproducing written or printed matter, line drawings, and similar material.

IngredientQuantity
Mix chemicals in order.
Metol
1
gram
Sodium sulfite anhydrous
75grams
Hydroquinone
9
grams
Sodium carbonate monohydrate
30
grams
Potassium bromide
5
grams
Water to make
1
liter

For line subjects, use without dilution. For development of copies of continuous-tone subjects, dilute 1:1. Develop about 5 minutes in a tank or 4 minutes in a tray at 20°C.

For use as the first developer in reversal processing dilute 1:3 and develop for 12–15 minutes at 20°C.