Evaluation of Conservation Treatments Applied to Salted Paper Prints,Cyanotypes and Platinotypes |
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| Abstract: | AbstractAs the great majority of photographic prints have a paper support, their conservation has been based on conservation treatments traditionally used by paper conservators. It cannot be assumed, however, that these standard treatments, that are employed on paper without any problem, will give comparable results on photographic prints. The effects of mechanical cleaning, solvent cleaning, wet cleaning, bleaching and deacidification on salted papers, cyanotypes and platinotypes are investigated and discussed. The treatments were separated into those that gave clearly negative results and should be rejected, and those that should be studied in depth before accepting them as suitable. It was shown that the use of some types of bleaching and deacidification agents can be very dangerous in the case of plain paper prints. Cyanotypes proved to be the most sensitive to any treatment method and platinotypes the most resistant. |
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