Heritage Science

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

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