Search found 2 matches

by simon
Mon Oct 10, 2016 3:40 pm
Forum: Black & White Film Development
Topic: Fx-55???
Replies: 6
Views: 7909

Fx-55???

I have started using it. It works well for me,. I wouldn't say it gives the speed increase it claims, although I get true box speed on Fuji Acros. For my printing I develop a lot less than the recommended time, I use 8 minutes for Fuji Acros 100 at 20C, although I use a condenser enlarger. You need ...
by simon
Mon Oct 10, 2016 3:35 pm
Forum: Fixers
Topic: Convert TF-2 to a rapid fix with the addition of ammonium chloride
Replies: 3
Views: 6501

Convert TF-2 to a rapid fix with the addition of ammonium chloride

Hi Guys, The TF-2 alkaline fixer formula given in the Cookbook uses Sodium Thiosulphate, a conventional fixer. It is recommended for modern tabular grain emulsions to use a rapid fixer. As with acid fixer recipes, is it possible to add ammonium chloride 1 part to every 4 parts hypo to make this into...