Abstract
AbstractRaman microscopic measurements were used to analyse the detailed chemical composition and structure of three old papers dating from the 15th and 19th centuries. Raman mapping measurements were performed on the surface and along the cross‐section of the papers with a lateral resolution of 1 μm. The resulting Raman images visualise the detailed chemical structure of the papers including all components such as the different types of cellulose fibre, filler pigments, sizing agents, colour pigments and also inadvertently added trace particles, such as minerals or products of biological activity. The results of the paper analysis are discussed in connection with their use for the detailed characterisation and dating of paper.This study demonstrates the great potential and the possibilities offered by Raman microscopy or Raman imaging for chemical paper analysis. Raman microscopy allows new insights into the chemical composition and structure of old papers and could considerably enhance the understanding of former papermaking practices and also combat forgery and the fraud of documents and artworks on paper.
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