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Table 2 Plasters elemental composition according to PGAA, XRF, and NAA, mg/kg

From: Comprehensive study of 12th century wall painting fragments from the St. George Cathedral of the Yuryev Monastery in Veliky Novgorod (Russia) using complementary physico-chemical methods

  PGAA XRF NAA
H 5430 ± 380   
С 137000 ± 25000   
Mg 26400 ± 4300 24000 ± 6200  
Al 12700 ± 2000 15400 ± 900  
Si 19000 ± 2000 24100 ± 1500  
S 599 ± 272 758 ± 165  
Cl 129 ± 11   
K 1870 ± 530 2460 ± 140 1450 ± 100
Ca 310000 ± 20000 364000 ± 2000 282000 ± 37000
Sc    1.31 ± 0.12
Ti 454 ± 23 246 ± 57  
Mn   341 ± 29  
Fe 7740 ± 1020 7500 ± 400 5840 ± 360
Co    1.96 ± 0.23
Ni    5.12 ± 0.38
Cu   10.6 ± 2.4  
Zn   11.7 ± 3.3 10.8 ± 0.9
As    0.724 ± 0.040
Br    1.31 ± 0.39
Rb    4.17 ± 1.08
Zr    19.8 ± 6.8
Mo    0.259 ± 0.042
Sb    0.101 ± 0.044
Cs    0.0461 ± 0.0128
Ba    94.8 ± 20.2
La    8.49 ± 0.47
Ce    17.1 ± 1.1
Nd    3.54 ± 0.74
Sm 1.76 ± 0.19   1.34 ± 0.15
Eu    0.297 ± 0.027
Gd 1.28 ± 0.17   
Tb    0.160 ± 0.017
Yb    0.313 ± 0.032
Lu    0.062 ± 0.006
Hf    0.615 ± 0.145
Ta    0.121 ± 0.016
W    0.145 ± 0.034
Au    0.00331 ± 0.00079
Th    1.09 ± 0.10
U    0.467 ± 0.040