Characterization of an unusual coating on funerary portraits from Roman Egypt circa 100-300AD
نویسندگان
چکیده
Abstract This paper details the investigation of a discrete coating observed on group Egyptian panel paintings, six mummy portraits and one funerary panel, dating from first-third century CE. Six in this are encaustic, is tempera using an animal glue binder. An accretion or has been surface recesses paint layers these panels. Examination ultraviolet radiation revealed irregular visible fluorescence surface. On portraits, often extends only as far where linen wrappings would have secured portrait to its mummy. Under magnification, appears crizzled encrustation. Material exhibiting characteristics was sampled all seven Initial analysis samples four panels by gas chromatography mass spectrometry (GC/MS) enzyme-linked immunoassay (ELISA) presence egg. Subsequent peptide fingerprinting (PMF) liquid with tandem (LCMSMS) confirmed egg further characterized highly deamidated, whole hen egg, white instance. Importantly, 14 C date two indicates time application approximately 2000 years ago, implying that coating, at least those cases, not modern addition. report summarizes examination analytical characterization unusual coating. Possibly applied aesthetic protective layer, symbolic ritual unguent, principal function remains unknown.
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ژورنال
عنوان ژورنال: Heritage Science
سال: 2023
ISSN: ['2050-7445']
DOI: https://doi.org/10.1186/s40494-023-00908-5