Zobrazeno 1 - 10
of 101
pro vyhledávání: '"lake pigments"'
Autor:
Márcia Vieira, Maria João Melo, Paula Nabais, João A. Lopes, Graça Videira Lopes, Laura Fernández Fernández
Publikováno v:
Heritage, Vol 7, Iss 1, Pp 272-300 (2024)
This pioneering work studied the medieval color palette of four manuscripts produced in the scriptorium of Alfonso X, king of the Crown of Castile (r. 1252-84), including the Songs of Holy Mary (Cantigas de Santa Maria, in Rich Codex and Musicians’
Externí odkaz:
https://doaj.org/article/e1b02115ea2f43f99b4e267624f1ed49
Publikováno v:
Colorants, Vol 2, Iss 4, Pp 601-617 (2023)
This work provides significant insight into the molecular structure of alizarin lake pigments used by artists in the past. To characterize two red powders, lakes 1 and 2, obtained by complexation of 1,2-dihydroxy anthraquinone (alizarin) with Al3+, a
Externí odkaz:
https://doaj.org/article/835b697db83d44edbf021a819f424a4f
Autor:
Maria Veneno, Paula Nabais, Vanessa Otero, Adelaide Clemente, M. Conceição Oliveira, Maria João Melo
Publikováno v:
Heritage, Vol 4, Iss 1, Pp 422-436 (2021)
Weld (Reseda luteola) was one of the main sources of yellow dyes used for dyeing textiles and to prepare artists’ pigments in Europe until the 19th century. For the first time, this work explores the technology of preparing weld lake pigments in th
Externí odkaz:
https://doaj.org/article/0fb54c4a8fa945829d0f769a30366f30
Autor:
Beatriz Fonseca, Catherine Schmidt Patterson, Monica Ganio, Douglas MacLennan, Karen Trentelman
Publikováno v:
Heritage Science, Vol 7, Iss 1, Pp 1-15 (2019)
Abstract Fiber optics reflectance spectroscopy (FORS) is commonly used to non-invasively identify madder- and cochineal-based pigments on works of art, but the significant shifts sometimes observed in the position of their diagnostic absorption featu
Externí odkaz:
https://doaj.org/article/a5bb085a6bda41f9aa1481cfd656ab80
Akademický článek
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Akademický článek
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Akademický článek
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Publikováno v:
Materials, Vol 15, Iss 13, p 4608 (2022)
Natural dyes were extracted from various plant sources and converted into lake pigments based on aluminum and tin. Three different plants (weld, Persian berries, and Brazilwood) were chosen as representative sources of natural dyes. High-performance
Externí odkaz:
https://doaj.org/article/717c8beeeb2d47cabbdfe37f706fe720
Publikováno v:
Heritage Science, Vol 6, Iss 1, Pp 1-11 (2018)
Abstract Microspectrofluorimetry offers high sensitivity, selectivity, fast data acquisition, good spatial resolution (down to 2 μm), and the possibility of in-depth profiling. It has proved to be a powerful analytical tool in identifying dyes and l
Externí odkaz:
https://doaj.org/article/fc1b7f77f51541c7bd36954b7096a488
Autor:
Barbara H. Berrie, Yoonjoo Strumfels
Publikováno v:
Heritage Science, Vol 5, Iss 1, Pp 1-9 (2017)
Abstract Background Color change in artworks has been commented on for centuries. Fading of watercolor pigments is a notable alteration. Pigments based on carminic acid are among those particularly prone to color loss, but the mechanism and factors a
Externí odkaz:
https://doaj.org/article/ac79f22aa6d34233b2e39eaa154df094