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Heritage Science
Fig. 6 | Heritage Science

Fig. 6

From: Release of lead from Renaissance lead-glazed ceramics from southern Denmark and northern Germany: implications from acetic acid etching experiments

Fig. 6

An example of the layered structure of a glazed sherd (KLR 2279) seen in cross section under the OM with crossed polarisers. The glaze appears light grey, with a crack (right) and some surface pitting (left). A thin white interaction zone overlays the ceramic body. The body is relatively coarse with numerous mineral inclusions. Inset is a high-contrast SEM image of the upper right part, showing only slight Pb enrichment in the glaze near the surface and a limited penetration of PbO into the underlying ceramic material; the ceramic body appears dark in this extreme contrast

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