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.
1938
1932
2022
2017
2019
1973
2015
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1963
2023
2012
1967
1994
1989
1939
1956
