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    • Examination of pigments on Thai manuscripts: the first identification of copper citrate 

      Eremin, Katherine; Stenger, Jens; Huang, Jo-Fan; Aspuru-Guzik, Alan; Betley, Theodore A; Vogt, Leslie; Kassal, Ivan; Speakman, Scott; Khandekar, Narayan (Wiley-Blackwell, 2008)
      Samples from Thai manuscripts dated to the 18th to 20th century were analyzed by Raman spectroscopy and Fourier-transform infrared spectroscopy (FTIR) to determine the pigments used. This suggested a change in palette from ...