In 2012 I started testing a new hydrogen peroxide based bleach with an acid as a stabilizer, citric acid was the first choice, and these were my first positive results with Fomapan R100 on 16mm film.
1943
2023
1975
2005
1942
2017
1948
1963
2014
2019
2001
1979
2018
2003
1986
1968
2013