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.
2021
1962
1991
1974
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1964
2013
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2012
1953
2020
1891
1989
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1969
2022
2015