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06-Sep-2019 03:59

The spectrum of this wavelength-shifted light is called the Raman spectrum.Raman fingerprints Look at the Raman spectra of three blue pigments: ultramarine, azurite, and cobalt blue.Each line of the spectrum corresponds to a specific vibrational mode of the chemical bonds in the molecule.

Spectroscopy also enables scholars to date objects.

Raman spectra consist of sharp peaks whose position and height are characteristic of each specific molecule. Because of these differences, Raman spectroscopists compare their sample to Raman spectra databases of materials to discover the sample’s chemical composition.

Raman spectra consist of sharp bands whose position and height are characteristic of the specific molecule in the sample.

Raman spectroscopists use the Raman spectra database of art and archaeological materials to determine the chemical composition of a sample.

Raman spectrometers are typically coupled with a microscope in order to observe the sample and can take a Raman spectrum from a small area down to 1micron, which is the usual dimension of artists’ pigments.

Spectroscopy also enables scholars to date objects.

Raman spectra consist of sharp peaks whose position and height are characteristic of each specific molecule. Because of these differences, Raman spectroscopists compare their sample to Raman spectra databases of materials to discover the sample’s chemical composition.

Raman spectra consist of sharp bands whose position and height are characteristic of the specific molecule in the sample.

Raman spectroscopists use the Raman spectra database of art and archaeological materials to determine the chemical composition of a sample.

Raman spectrometers are typically coupled with a microscope in order to observe the sample and can take a Raman spectrum from a small area down to 1micron, which is the usual dimension of artists’ pigments.

Today, Raman spectroscopy is a fast-growing technique, not only because of the analytical information it provides, but also because it is non-invasive, non-destructive, and fast — and therefore very useful for art examination.