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Heritage Science
Fig. 8 | Heritage Science

Fig. 8

From: Combining phytate treatment and nanocellulose stabilization for mitigating iron gall ink damage in historic papers

Fig. 8

Treated paper areas—blank and described paper areas in secondary electron mode and back-scattered electron (BSE) mode. In both variant 5 and variant 4, the CNF network was formed homogeneously on blank and described paper surface areas. SE images (left) showed the paper and network surface. In BSE mode, the ink and the blank areas are clearly distinguished

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