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Table 2 DCCR calibrated results of the energy dispersive X-ray spectrum of a point analysis (A3, ÆIN 1059) of the yellow paint

From: Painting the Palace of Apries II: ancient pigments of the reliefs from the Palace of Apries, Lower Egypt

Element Line Conc./% Sigma/% RSD/%
Si K12 18 0.15 0.9
S K12 1.6 0.008 0.5
Ca K12 12 0.013 0.1
Ti K12 0.04 0.001 1.9
Mn K12 0.03 0.000 1.4
Fe K12 0.3 0.001 0.2
Cu K12 0.01 0.000 1.6
Zn K12 0.009 0.000 2.5
As K12 2.9 0.003 0.1
Sr K12 0.2 0.000 0.2
Pb L1 0.8 0.001 0.1
  1. “Line” designates the detected X-ray line; Conc. is the calibrated concentration of the element in weight %; Sigma is one standard deviation; and RSD is the relative standard deviation expressed in %. The results should be interpreted with some caution because the DCCR calibration is performed with the NIST SRM 610 whose matrix is different from that of the sample