Identification of materials used in a wooden coffin lid covered with composite layers dating back to the Ptolemaic period in Egypt

A tampa de um sarcofago de madeira, de proveniencia desconhecida, com camadas de preparacao e cromatica e texteis antigos, foi encontrada na cave do Museu Egipcio, no Cairo (JE 36806). A informacao obtida permitiu a concluir que a tampa remonta ao periodo Ptolemaico do Egipto (332-30 a. C.), enquanto o textil nao pertence a tampa. Para avaliar a deterioracao e a estrutura da tampa do sarcofago e perceber como foi feita na oficina da necropole, foi usada radiografia de raios X, fotografia, microscopia optica, microscopia USB de luz reflectida, espectroscopia de infravermelho com transformada de Fourier com reflexao total atenuada (FTIR-ATR), espectroscopia de raios X dispersiva de energia (EDX), difraccao de raios X (XRD) e espectroscopia de Raman.

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