Non-invasive analysis of gilt leather gold varnish and protective layer by infrared reflection-absorption spectroscopy

Robinet, Laurianne; Heu-Thao, Sylvie; Radepont, Marie; Bonnot-Diconne, Céline

doi:10.1016/j.vibspec.2020.103133

Cited by 1 publication

(1 citation statement)

References 17 publications

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“…The pertinent spectrum shows predominant carbonyl absorption bands at ca. 1645 cm −1 accompanied by an intense absorption at 1545 cm −1 ; these correspond to the so-called amide I and amide II vibrations, respectively, and reveal the employment of a protein-based substance [43,[45][46][47], presumably an egg white varnish. In addition, intense amide absorption bands accompanied by resin-related ones appear in the spectrum from a late 19th c. icon varnish (Annunciation, Figure 3 middle).…”

Section: Atr-ftir Analyses Of Post-byzantine Greek Icons' Varnishesmentioning

confidence: 99%

Original Varnish Recipes in Post-Byzantine Painting Manuals

Mastrotheodoros

Beltsios

2021

Heritage

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During the last decades, manuscripts have become increasingly available through digitization and deposition in online repositories. This trend has very much facilitated primary source research, as scholars are no longer subjected to time- and effort-consuming processes such as travel, applications for photography permissions, and so on. In this framework, the authors set forth the results of research that deals with post-Byzantine panel-painting varnish recipes which were found in a hitherto unpublished Greek painting manual dating back to 1824. The recipes in consideration are compared to those existing in the renowned “Hermeneia” by Dionysios of Fourna (early 18th century) painter’s manual. A brief discussion dealing with various pertinent terms, along with a note on data deriving from the analytical investigation of varnish samples stemming from post-Byzantine icons are also included in this work. The study reveals a shift towards lean and intermediate varnish recipes during the early 19th century that might reflect the progression of resins and oleoresins, and the gradual replacement of oil-based varnishes. In addition, a unique recipe describing various methods of varnish application is transcribed and commented upon. Finally, the analytical data revealed an unexpected employment of a protein-based varnish in a mid-19th century icon.

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Section: Atr-ftir Analyses Of Post-byzantine Greek Icons' Varnishesmentioning

confidence: 99%