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.
1990
—
2004
1970
2002
1965
2013
2020
1984
1998
2014
1935
2012
1962
2016
2017
1968