Chemical Treatments of Discoloured Photographic Prints: Image Manipulation or Legitimate Restoration?

Hendriks, Klaus B.; Ross, L. R.

doi:10.1080/00223638.1988.11736990

Cited by 2 publications

(1 citation statement)

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“…The identification of materials, in particular, is a fundamental step to individuate the right way to preserve photographs and, if necessary, to plan an adequate restoration method. In this sense, the precise knowledge of substances, causes and implicated processes guarantees an appropriate and conscious approach decisive for the good recovery, protection and conservation (Casoli and Fornaciari 2014;Cattaneo et al 2008;Hendriks and Ross 1988;Ostroff 1966;Hogan, Golovlev, and Gresalfi 1999;Golovlev et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Infrared Ellipsometry Analysis of Heritage Photographic Prints

Villena

Martı́nez

Flores-Camacho

et al. 2018

Studies in Conservation

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Focusing on the photographic archive of Julián Carrillo (México), we study and characterize the photographic process of a set of 13 photographs dated between 1884 and 1925. By using infrared spectroscopic ellipsometry we classified a selected set of photographs according to the kind of binder used. Thus, we recognized for each photograph, the presence of proteins, and thus the particular photographic process. Furthermore, we have identified the presence of baryta layer, the use of plasticizer, and the eventual coating utilized to protect the photograph, whose composition was based in natural organic components, mainly shellac, beeswax, or camphor.

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