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Figure 4 | Heritage Science

Figure 4

From: An investigation of the lead tin yellows type I and II and their use in Bohemian panel paintings from the Gothic period

Figure 4

Master of the Třeboň Altarpiece, SS Giles, Augustine, Jerome (O 1266). a Detail and cross-section of the sample taken from decorated yellow robe of St Jerome observed in optical microscope in normal and ultraviolet light. Cross-section shows yellow layer of lead tin yellow type II mixed with lead white on a silver leaf with the admixture of gold (cvishgolde). The final green shadows were realized by applying the copper green pigment on the dark organic layer. Photo©2014 National Gallery in Prague. b Raman spectra collected from the sample of decorated yellow robe of St Jerome, detail in Figure 4a. By means of Raman spectroscopy uniform composition of the pigment lead tin yellow type II was observed: 1) Raman spectrum collected from the yellow layer of the sample 10-28-2B no. 1, 2) Raman spectrum collected from the yellow layer of the sample 10-28-2B no. 2, 3) Raman spectrum of the standard pigment lead tin yellow type II.

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