2 03 6 Noir EDS Spectrum.jpg

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EDS Spectrum showing elemental peak height as a function of X-ray counts collected (LC)

Elements Identified Major (> 10%): carbon, oxygen. Minor (1-10%): silicon, iron, aluminum, calcium, titanium. Trace (< 1%): magnesium, potassium, sulfur, phosphorus.

Area X-ray counts collected: 1,008,745. Live Time: 13.8 seconds. Magnification: 509x. Analyzed using Oxford X-Max80 energy-dispersive X-Ray spectroscopy (EDS) and Oxford AZtec platform software. Pigment sample was applied to carbon tape and mounted onto aluminum examination stub. X-rays from sample were excited by a 20 kV SEM electron beam in a low vacuum chamber (10 Pascal). The resolution of the X-Max80 silicon drift detector is 123 eV at MnKα wavelength.

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