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  Shellac on ceramics

  Posted by harp on 28. januára 2007 at 16:18

  We are currently investigating the staining of ceramics caused by
  shellac; more specifically the purple/red discoloration that occurs
  when reversing old, unrefined shellac (caused by the presence of lac
  dye in the shellac) with solvent mixtures. We are hoping to hear
  from anyone who has observed this phenomena and if so, under what
  conditions they occurred and what, if anything, was done to
  remove/reduce the staining.

  This study is a collaborative project between the Los Angeles County
  Museum of Art and the J. Paul Getty Museum in an effort to
  understand and treat the problem of lac dye staining on ceramics and
  will be published. Please reply directly to

  Marie Svoboda <msvoboda getty__edu>
  Charlotte Eng <ceng lacma__org>

  Marie Svoboda
  Associate Conservator
  Antiquities Conservation
  J. Paul Getty Museum
  310-440-7052

  harp odpovedal 17 years, 10 months ago 1 Člen · 0 odpovede/odpovedí

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