E-72 Paper Developer

Chris Patton's E-72 paper developer.

Recipe

Chemical Amount
Water (50°C) 750 ml
Phenidone 0.3 g
Sodium sulfite (anhydrous) 45 g
Ascorbic acid 19 g
Sodium carbonate (anhydrous) 77 g
Potassium bromide 1.9 g
Water to make 1000 ml

Mix chemicals in the listed order. Make sure each chemical is completely dissolved before mixing the next one. Use distilled or deionized water for improved keeping properties. The stock solution may be diluted with tap water at the time of development.

Usage

Dilute between 1+1 and 1+4, with 1+3 for normal contrast.

Comments

Dekol-type developer substituting ascorbic acid for hydroquinone and phenidone for metol. Rumor has it that this is a pretty good developer that produce deep blacks.

Published: 2022-12-04