An Ounce of Chemistry

Lecture delivered on the panel Physical Conservation Treatments for Digitising Film: Re-plasticisation at the AMIA Conference in Baltimore, Maryland, United States of America, on 13–16 November 2019.


A discussion of some recipes published in Paul Read and Mark-Paul Meyer: Restoration of Motion Picture Film. Butterworth-Heinemann, Oxford 2000, p. 252–254 (please consider p. 83–98 as well).


  • The presentation’s slides (PDF, 649 KB, MD5 = 59ba98954783d6467ab4f9a9ef718b85).
  • Some notes… illustrating the slides could follow by popular demand.


Having graduated in mathematics and computer science, Reto Kromer became involved in audio-visual conservation and restoration 33 years ago. He has been running his own preservation company, AV Preservation by, and lecturing at the Bern University of Applied Sciences, the Academy of Fine Arts Vienna and the Elías Querejeta Zine Eskola in Donostia (San Sebastián). His current research includes colour spaces, look-up tables and codec programming and emulation. Previously he was head of preservation at the Cinémathèque suisse (the Swiss National Film Archive) and lecturer at the University of Lausanne. He served as an AMIA board member during two terms. His work has seen him honoured with an inaugural JTS Award.