Quote Originally Posted by L Gebhardt View Post
I'm not a chemist, but I imagine you could combine catechol with Rodinal. No idea what the results would be like. Let us know when you try it
Sandy King published a version of Pyrocat with p-Aminophenol which is the developing agent used in Rodinal.


Pyrocat-P

Stock A
Distilled Water at 120F 750ml
Sodium Metabisulfite 10.0g
p-Aminophenol 5.0g
Pyrocatechin 50g
Potassium Iodide 1.0g

Water to 1000ml


In practice Pyrocat HD is like Rodinal on steroids, I use if for all formats and B&W films.

Ian