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Heritage Science
Fig. 4 | Heritage Science

Fig. 4

From: Identifying eighteenth century pigments at the Bodleian library using in situ Raman spectroscopy, XRF and hyperspectral imaging

Fig. 4

i. XRF spectra of blue pigment from MS. Sherard 242/147 showing paper background (black line: Pb, Ca, Ba, Fe, Co, Ni, Cu, Mn, Al, Si, As, Zn) and Blue pigment (Blue line: Pb, Fe, Cu, Hg and Co at similar level to background). © Bodleian Libraries, University of Oxford, 2017. ii. Raman spectrum of MS. Sherard 239/43 with characteristic peaks for indigo. © Bodleian Libraries, University of Oxford, 2017

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