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.
2004
2010
1980
2014
1940
2015
1894
2011
1964
1963
1981
1996
1953
1957
1955
2013
2016
1999