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.
2006
1997
1996
2020
1980
1944
1939
2011
1964
2015
1990
2014
1967
1963
2001
2017
2013
1989