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Spectroscopic Study of Egyptian Blue Mixed with Other Pigments by M. Carmen Edreira; M. José Feliu; Concepción Fernández-Lorenzo; Joaquin Martín is a Chemistry article available to read on EtoBox.

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## Abstract The Romans used a vast array of colors in their mural paints. The applied pigment mixtures containing Egyptian blue resulting in green, ochre, brown, gray, and white hues were studied. The chromatic characterization of wall paintings by electronic spectroscopy provided an easy and reliable procedure for the grouping of the samples to be studied (see __Table__). Subsequent use of other spectroscopic techniques such as __Fourier__‐transform (FT) IR and energy‐dispersive X‐ray spectroscopy (EDS), combined with X‐ray diffraction (XRD), led to convenient identification of the pictorial layer components that define and differentiate each chromatic group. Colors impossible to produce with only one pigment can be obtained by mixing Egyptian blue with other pigments. The dominant wavelength is displaced in such way that the artist obtains new tonalities.

Who reads Spectroscopic Study of Egyptian Blue Mixed with Other Pigments?

Author

M. Carmen Edreira; M. José Feliu; Concepción Fernández-Lorenzo; Joaquin Martín

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0018-019X)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)