Results 241 to 250 of about 1,641,579 (289)
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Production and characterization of Egyptian blue and Egyptian green frit
Journal of Cultural Heritage, 2000Abstract Production of Egyptian blue and green frit was obtained by pure chemicals and natural raw Egyptian materials in different experimental conditions. Changes in stoichiometric ratios and in melting temperatures were tested to synthesize the expected pigments.
Mona Fouad Ali
exaly +2 more sources
An EPR study on ancient and newly synthesised Egyptian blue
Talanta, 2006 Two sets of ancient Roman Egyptian blue (EB) samples and one set of EB samples synthesised in our lab, were analysed by EPR spectroscopy, a technique not commonly used in this field. The spectroscopic parameters obtained were used to attempt the discrimination of the provenance and of the manufacturing techniques of the investigated samples.
Emilio F Orsega
exaly +3 more sources
Egyptian blue ? Cuprorivaite a window to ancient Egyptian technology
Naturwissenschaften, 1983Egyptian Blue, a multicomponent synthetic blue pigment has been recorded in ancient Egypt since the Fourth Dynasty of the Old Kingdom (2600–2480 B.C.). The pigment consisting of cuprorivaite (CaCuSi4O10) with variable amounts of wollastonite (CaSiO3), Cu-rich glass and cuprite (Cu3O) or tenorite (CuO) was prepared by melting the copper-rich ingredient ...
Jaksch, H. +3 more
+10 more sources
Journal of Cultural Heritage, 2004
Abstract We studied first the feasibility of the reaction synthesis of EB in molten alkaline carbonates; then we changed to “solid phase” syntheses, comparing the yields according to the proportion of the various components. In molten carbonates azurite was produced, which turned to malachite at room temperature.
Carlo Bragato
exaly +3 more sources
Abstract We studied first the feasibility of the reaction synthesis of EB in molten alkaline carbonates; then we changed to “solid phase” syntheses, comparing the yields according to the proportion of the various components. In molten carbonates azurite was produced, which turned to malachite at room temperature.
Carlo Bragato
exaly +3 more sources
Photoluminescence of the inorganic pigments Egyptian blue, Han blue and Han purple
Journal of Cultural Heritage, 2000Abstract The room-temperature photoluminescence spectra of various samples of Egyptian blue (CaCuSi4O10) are presented, discussed and compared with those of recently synthesized compounds corresponding to the ancient pigments Han blue (BaCuSi4O10) and Han purple (BaCuSi2O6).
Giacomo Chiari, David Ajo
exaly +2 more sources
The thermoluminescence (TL) of Egyptian Blue
International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements, 1988Abstract Egyptian Blue is a synthesized crystalline pictorial pigment with formula CaCuSi 4 O 10 . It has been used in Egypt and Mesopotamia from the 3rd millenium B.C. A preliminary experiment on a recently synthesized samples showed that this pigment is thermoluminescent after β irradiation ( 90 Sr).
M. Schvoerer +2 more
openaire +1 more source
THE EGYPTIAN GREEN PIGMENT: ITS MANUFACTURING PROCESS AND LINKS TO EGYPTIAN BLUE*
Archaeometry, 2003The chemical and structural analysis of raw Egyptian blue and green pigment cakes and of 50 pigment samples taken from paintings kept in the Louvre Museum was performed using a set of analytical techniques (X‐ray powder diffraction, transmission and scanning electron microscopy, Raman microscopy and UV spectrophotometry).
S. Pagès‐Camagna, S. Colinart
exaly +2 more sources
Investigating the provenance of Egyptian blue pigments in ancient Roman polychromy
Archeometriai Műhely, 2021Egyptian blue is a copper-based blue pigment that was widely used across the Mediterranean from ca. 3300 BC up to late antiquity and even later. For this case study, we analyzed the provenance of Egyptian blue from a Campana relief from the collection of the Ny Carlsberg Glyptotek, Denmark. Campana reliefs are terracotta plaques, which were named after
Rodler A. S. +6 more
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AN EXPERIMENT IN EGYPTIAN BLUE GLAZE*
Journal of the American Ceramic Society, 1932ABSTRACT Soft pastes and glazes were developed using soluble fluxes and coloring material which produced results resembling the color and texture effects on Egyptian trinkets.
Charles F. Binns +2 more
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The Blackening of Paint Containing Egyptian Blue
Studies in Conservation, 2004On ancient Egyptian artifacts, paint containing Egyptian blue pigment is often found to have become brownish green or even black.
Vincent Daniels +2 more
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