Multi-analytical approach to the study of mecca gilding technique

Chaban, A. A.; Lanterna, Giancarlo; Gigli, Maria Cristina; Becucci, Maurizio; Fontana, Raffaella; Striová, Jana

doi:10.1016/j.microc.2021.106415

Cited by 4 publications

(1 citation statement)

References 31 publications

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“…It is common to find gilded surfaces that have been varnished for various reasons: to protect the surface from abrasions and mechanical damages [2,3], to change its appearance [4], and to imitate another metal [5,6]. Varnish can change the appearance of a gilded surface by modulating its gloss, or depending on the varnish, change its hue [3].…”

Section: Introductionmentioning

confidence: 99%

Appearance-based evaluation of varnish removal methods in gilded surfaces

Arteaga

Marchioni²,

Courtier

et al. 2023

Herit Sci

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This paper outlines the use of bidirectional reflectance measurements for the characterisation and evaluation of appearance changes in gilded surfaces caused by varnishing and cleaning. Oil and water gilding mock-ups representative of a 15th-century panel painting were varnished, and a selection of four varnish removal methods was applied. By measuring the bidirectional reflectance of the samples, their appearance was modelled and evaluated according to perceptual gloss attributes. Three main perceptual groups were found for each gilding type: unvarnished, varnished and cleaned surfaces. Finally, for the studied samples, the most appropriate method for removing dammar and colophony varnish from a gilded surface, in terms of appearance change, is solubilisation by applying an Evolon®CR compress.

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