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.
1942
2019
2024
1912
1949
1964
1963
1969
1958
1950
1955
1960
2010
2011
2021