期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 401, 期 4, 页码 1433-1439出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-011-5140-y
关键词
Egyptian blue; Giovanni Battista Benvenuto; Optical analysis; Raman micro spectroscopy; Scanning electron microscopy; Photo-induced luminescence
Egyptian blue has been identified in a painting from 1524 by the Italian artist Ortolano Ferrarese (Giovanni Battista Benvenuto). Egyptian blue is the oldest known synthetic pigment, invented by the Egyptians in the fourth dynasty (2613-2494 bc) of the Old Kingdom and extensively used throughout Antiquity. From about 1000 a.d., it disappeared from the historical record and was only reinvented in the late nineteenth and early twentieth century. The discovery of Egyptian blue in Ortolano Ferrarese's painting from 1524 shows that Egyptian blue was in fact available in the period from which it is normally considered not to exist. The identification of Egyptian blue is based on optical microscopy supported by energy-dispersive spectroscopy and visual light photon-induced spectroscopy, and finally confirmed by Raman microspectroscopy.
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