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2021
DOI: 10.3390/min11091001
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Trends in Colouring Blue Glass in Central Europe in Relation to Changes in Chemical Composition of Glass from the Middle Ages to Modern Age

Abstract: The study deals with the development of the chemical composition of blue glass from the 13th to the 19th century in the region of Bohemia (Central Europe). Nearly 100 glass samples (colourless, greenish, and blue) were evaluated by an XRF method to distinguish the colouring components of blue glass. As early as in the 13th century, blue glass based on ash containing colouring ions of Co and Cu was produced here. To achieve the blue colour of glass, a copper-rich raw material was most likely applied. This infor… Show more

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Cited by 4 publications
(2 citation statements)
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“…The presence of Ni, found with a comparable peak intensity in all three samples, was considered a trace element of potash within the glass matrix [32]. Ca was attributed to the use of CaO as a stabilizing component of the flux [33]. Fe was found with small peak intensity in all samples and was ascribed to the presence of Fe-based compounds possibly used as coloring agents.…”
Section: The Tp-iep Chalicementioning
confidence: 82%
“…The presence of Ni, found with a comparable peak intensity in all three samples, was considered a trace element of potash within the glass matrix [32]. Ca was attributed to the use of CaO as a stabilizing component of the flux [33]. Fe was found with small peak intensity in all samples and was ascribed to the presence of Fe-based compounds possibly used as coloring agents.…”
Section: The Tp-iep Chalicementioning
confidence: 82%
“…1978.8.1-6, magasság: 11,1 Minden mérést azonos geometriában, a tárgyak felszínétől 5 centiméterre végeztünk. (Kunicki-Goldfinger et al 2003, 2005Kunicki-Goldfinger 2020;Zlámalová Cílová et al 2021). Mindkét üvegtípusban a K2O van túlsúlyban a CaOhoz képest (Kunicki-Goldfinger 2020), amit alátámaszt például a prágai vár területén előkerült 17-18. századi színtelen kristályüvegek összetétele (70)(71)(72)(73)(74)(75)12,(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)9 tömeg% K2O,8,(6)(7)(8)(9)(10)(11)4 tömeg% CaO, 0,3-0,7 tömeg% Na2O, ≤0,11 tömeg% P2O5, 0,44-1,33 tömeg% As2O3, Křížová et al 2018) (1,3-1,5 tömeg% P2O5 (SPECTRO) ill. 0,60-0,91 tömeg% P2O5 (Bruker)).…”
Section: Uránüvegek a Magyar Nemzeti Múzeum Gyűjteményébenunclassified