Du58D

Chlorhydroquinone is used as a developing agent in this DuPont formula, to produce warm black and brown tones on Varigram paper. IngredientQuantity Sodium sulfite anhydrous 16grams Chlorhydroquinone 4 grams Sodium carbonate anhydrous 16 grams Potassium bromide...

Du56D

This is a rapid developer for commercial use with fast enlarging papers, producing neutral black tones. IngredientQuantity Metol 3.3 grams Sodium sulfite anhydrous 33.5grams Hydroquinone 10 grams Sodium carbonate anhydrous 56 grams Potassium bromide 3.3grams Water to...

Du55D

A standard DuPont developer for warm tones on enlarging papers. IngredientQuantity Metol 2.5 grams Sodium sulfite anhydrous 37.5grams Hydroquinone 10 grams Sodium carbonate anhydrous 37.5 grams Potassium bromide 5 grams Water to make 1 liter Mix chemicals in order....

Du54D

An active developer formula for use on chloride contact papers to produce cold blue-black tones. IngredientQuantity Metol 2.7 grams Sodium sulfite anhydrous 40grams Hydroquinone 10.5 grams Sodium carbonate anhydrous 75 grams Potassium bromide 0.8 grams Water to make 1...