A Scientific Analysis of Decorative Metal Foil Used in Pouch for the Sutra Embroidered with a Sun and Moon Design Designated as National Folklore Cultural Heritage

Through scientific analysis, this study identified the material characteristics of metal foil decorating border line and knotting National Folklore Cultural Heritage ‘Pouch for Sutra Embroidered with a Sun Moon Design’. Scanning Electron Microscope-Energy Dispersive Spectroscopy results, it was estimated that silver (Ag) sulfur (S) were present in foil, leaf also attached to medium. S may discolor Ag from yellow black depending on its concsentration contact time. Yellow color could not be at present. But there existed an example preparation gold-colored flat thread; therefore, further research is needed estimate original color. The lamella reddish brown back. Aluminum, silicon, iron detected main components found red soil. This believed adhesive traditional gold thread considered adhesive-related component foil. From gas chromatography mass spectrometry confirmed animal glue.