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.
2001
2024
1958
2002
2017
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2003
1921
1940
2021
1981
2023
1955
2014
1934
2018
2015
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2007