Natural dyes in green walnut shells for textile materials dyeing

  • Monica Pustianu „Aurel Vlaicu” University of Arad, Engineering Faculty
  • Maria Chindriş „Aurel Vlaicu” University of Arad, Engineering Faculty
  • Cecilia Sîrghie Institute of Technical and Natural Sciences Research-Development of Aurel Vlaicu University
  • Mihaela Dochia RDI Institute in Natural and Technical Sciences of “Aurel Vlaicu” University Arad- Romania


The purpose of this study was to obtain and characterize a natural dye from green walnut shells. By thin layer chromatography a single brown spot was obtained and attributed to naphthoquinones. Naphtoquinones presence was also proved by the UV/VIS and the IR spectra.


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