Pyrocatechin is well suited to development of color separation positives for dye-tone transparencies.
| Ingredient | Quantity | |
|---|---|---|
| Solution A | ||
| Pyrocatechin | 20 | grams |
| Sodium sulfite anhydrous | 40 | grams |
| Water to make | 1 | liter |
| Solution B | ||
| Potassium carbonate anhydrous | 120 | grams |
| Water to make | 1 | liter |
| Mix chemicals in order. | ||
For tray development dilute 1:2:1. Develop 4—6 minutes at 18.5°C.