Ilford pyro-soda developer for plates or films.
Ingredient | Quantity | |
Mix chemicals in order. | ||
Pyrogallic acid | 25 | grams |
Potassium metabisulfite | 6 | grams |
Water to make | 0.25 | liters |
The potassium metabisulfite should be first dissolved in the water previous to adding the pyro.
Ingredient | Quantity | |
Mix chemicals in order. | ||
Solution A | ||
Stock solution | 50 | mililiters |
Water to make | 0.5 | liters |
Solution B | ||
Sodium carbonate crystalline | 50 | grams |
Sodium sulfite crystalline | 50 | grams |
Potassium bromide 10% solution | 6 | mililiters |
Water to make | 0.5 | liters |