Fig. 3: SEM images of surface and cross-section of the concretions. | npj Heritage Science

Fig. 3: SEM images of surface and cross-section of the concretions.

From: Corrosion mechanisms of a bluish-white porcelain of Hutian kiln excavated from Nanhai No. 1 shipwreck

Fig. 3

a Surface of the concretions (box 1 in Fig. 2a); b Cross-section of the concretions (box 1 in Fig. 2c); c Skeleton of porous structure with embedded material (enlarged image of the box in (a)); d Cross-section of concretion/porcelain body interface, with relatively well-preserved porous structures in the pits (box 3 in Fig. 2c); e Magnified image of porous structure in the porcelain body; f Siliceous granules embedded in the porous skeleton (box 2 in Fig. 2c). P1–P3: Black–brown fillers; P4–P7: Yellow skeleton of porous structure; P8–P10: Brown deposits; P11: A large siliceous granule.

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