2016
DOI: 10.7149/opa.49.3.49006
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Identification of colorant materials after an artificially aged process

Abstract: ABSTRACT:Chemical composition and physical characteristics of art materials (support, paint layer, protection layer…) depend on different factors such as their origin, the application process, the storage conditions throughout the centuries and the ageing processes. The identification of aged organic dyes can be difficult due to the possible changes that their physical and chemical characteristics could have undergone with time. A comparative study between standard samples and samples aged in a controlled clim… Show more

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“…There is evidence of its existence and use as a textile dye since 6000 bc . That being said, however, its identification in artwork has only been carried out on rare occasions due to the complexity of its chemical formula and the changes that it can undergo in certain conservation conditions 11‐13 or when affected by environmental factors 14 …”
Section: Introductionmentioning
confidence: 99%
“…There is evidence of its existence and use as a textile dye since 6000 bc . That being said, however, its identification in artwork has only been carried out on rare occasions due to the complexity of its chemical formula and the changes that it can undergo in certain conservation conditions 11‐13 or when affected by environmental factors 14 …”
Section: Introductionmentioning
confidence: 99%