Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Iron-gall inks"'
Publikováno v:
Heritage Science, Vol 11, Iss 1, Pp 1-7 (2023)
Abstract Iron gall inks consist of vitriols (sulphates of certain metals), gall nut extracts; and gum Arabic: after exposure to oxygen, dark-colored compounds of the inks are formed. As the complexity of the composition of iron gall inks renders docu
Externí odkaz:
https://doaj.org/article/90b1efdbeeea4d4bb567040c6990f0b3
Autor:
Rafael Javier Díaz Hidalgo, Ricardo Córdoba, Hermine Grigoryan, Márcia Vieira, Maria J. Melo, Paula Nabais, Vanessa Otero, Natércia Teixeira, Sara Fani, Hossam Al-Abbady
Publikováno v:
Heritage Science, Vol 11, Iss 1, Pp 1-14 (2023)
Abstract For the first time, this paper systematises the medieval preparation of black writing inks found in the important thirteenth century Andalusian technical treatise written by Muhammad ibn Idrīs ibn al-Qalalūsī (1210–1308). We present the
Externí odkaz:
https://doaj.org/article/ea8e0967f4cb49289636cc6825950489
Autor:
Maria João Melo, Vanessa Otero, Paula Nabais, Natércia Teixeira, Fernando Pina, Conceição Casanova, Sara Fragoso, Sílvia O. Sequeira
Publikováno v:
Heritage Science, Vol 10, Iss 1, Pp 1-11 (2022)
Abstract Iron-gall inks are an essential element of our written cultural heritage that is at risk of a total loss due to degradation. This degradation leads to the loss of the support, particularly the cellulose-based support. Intending to stabilize
Externí odkaz:
https://doaj.org/article/c5ea995ff2cd4c3a8c0cef2ce3872fb3
Publikováno v:
Heritage Science, Vol 9, Iss 1, Pp 1-14 (2021)
Abstract Iron gall ink was used in the Western world as a permanent writing material already in late Roman times and throughout the Middle Ages, until it became obsolete in the twentieth century. There is much interest in experimental methods to dete
Externí odkaz:
https://doaj.org/article/5b81e18b35c742718f0238d2ad5c6feb
Akademický článek
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Publikováno v:
Molecules, Vol 27, Iss 23, p 8603 (2022)
Iron gall inks have been among the most used writing materials after carbon black, thus representing an important element of the historical and artistic heritage of our society. Crucially, the preservation of manuscripts and drawings is influenced by
Externí odkaz:
https://doaj.org/article/a73ed7e36e4345b5a14226debeb5e563
Autor:
Díaz Hidalgo, Rafael Javier, Córdoba, Ricardo, Grigoryan, Hermine, Vieira, Márcia, Melo, Maria J., Nabais, Paula, Otero, Vanessa, Teixeira, Natércia, Fani, Sara, Al-Abbady, Hossam
Funding Information: This research was funded by the Portuguese Science Foundation [Fundação para a Ciência e Tecnologia, Ministério da Educação e da Ciência (FCT/MCTES)], through doctoral programme CORES-PD/00253/2012, and PhD Grants awarded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1437::cc0bbbec36836ede229cfd8edbb8311c
https://hdl.handle.net/10362/153175
https://hdl.handle.net/10362/153175
Autor:
Rafael Javier Díaz Hidalgo, Ricardo Córdoba, Paula Nabais, Valéria Silva, Maria J. Melo, Fernando Pina, Natércia Teixeira, Victor Freitas
Publikováno v:
Heritage Science, Vol 6, Iss 1, Pp 1-15 (2018)
Abstract Iron-gall inks have been described as complexes of iron ions with gallic or tannic acids, available in gall extracts. To assess this working hypothesis, we have prepared medieval inks using ingredients and methods appropriate to the fifteent
Externí odkaz:
https://doaj.org/article/0948ac3e7e8143568ea2bf878443ec50
Publikováno v:
Molecules, Vol 27, Iss 1, p 279 (2022)
FT-Raman, FTIR, and SERS spectra of the structurally related gallnut polyphenols tannic acid, gallic acid, pyrogallol, and syringic acid are reported in this work aiming at performing a comparative assignation of the bands and finding specific marker
Externí odkaz:
https://doaj.org/article/d8dff01d8e814075bfcd46fc90fbdd97
Akademický článek
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