Bark ink

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Dark, water-soluble extracts obtained from various trees, such as Oak, Hawthorn, Blackthorn, and cherry, have been used as inks (Kuhn 1986). These dark organic dyes are fixed with inorganic salts, such as iron or copper sulfates.

Synonyms and Related Terms

inchiostri gallo-tannici (It.)

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986