Part A | ||
Propylene glycol | 75 | ml |
Ascorbic acid | 0.5 | g |
Catechol | 10 | g |
Propylene glycol to make | 100 | ml |
Part B | ||
Distilled water | 750 | ml |
Sodium Carbonate | 200 | g |
Distilled water to make | 1000 | ml |
Mixing Instructions: Add chemicals in specified sequence. |
Dilution: 1+10+100 |
Usage: Starting point dev time: 5-7 mins. |
Notes Dilute up to 1+20+500 for longer development times, and increased edge effects. |