Non-invasive investigation on a VI century purple codex from Brescia, Italy

Maurizio Aceto, Ambra Idone, Angelo Agostino, Gaia Fenoglio, Monica Gulmini, Pietro Baraldi, Fabrizio Crivello

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Purple codices are among the most relevant and prestigious book productions of Late Antique and Medieval age. They usually contained texts from Holy Writings written with golden or silver inks on parchment dyed in a purple hue. According to the tradition, the colour of parchment was obtained by the well renowned Tyrian purple dye. From the material point of view, however, very little is known about the compounds actually used in the manufacture of these manuscripts. Presently, the information available is limited to the ancient art treatises, with very few diagnostic evidences supporting them and, moreover, none confirming the presence of Tyrian purple. It is more than apparent, then, the need to have at disposal larger and more complete information at the concern, in order to verify what came to us from the literary tradition only. In this study, preliminary results are presented from non-invasive investigation on a VI century purple codex, the so-called Codex Brixianus, held in the Biblioteca Civica Queriniana at Brescia (Italy). Analyses were carried out with XRF spectrometry, UV-visible diffuse reflectance spectrophotometry, molecular spectrofluorimetry and optical microscopy. The results suggest the hypothesis that Tyrian purple had been used as a minor component mixed with other less precious dyes such as folium or orchil.

Lingua originaleInglese
pagine (da-a)34-41
Numero di pagine8
RivistaSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume117
DOI
Stato di pubblicazionePubblicato - 2014

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