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Table 4 Black pigment 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

10660 ± 300

  

С

637000 ± 469000

  

Na

  

1420 ± 50

Al

 

66300 ± 2800

 

Si

71600 ± 10300

102000 ± 2000

 

P

 

2760 ± 380

 

S

 

2570 ± 260

 

Cl

584 ± 58

  

K

 

7520 ± 190

4870 ± 410

Ca

370000 ± 39000

266000 ± 1000

304000 ± 55000

Sc

  

4.10 ± 0.12

Ti

2975 ± 417

4470 ± 290

 

Cr

  

49.7 ± 2.3

Mn

 

989 ± 75

 

Fe

 

7410 ± 170

7210 ± 440

Co

  

2.86 ± 0.25

Ni

  

6.77 ± 1.02

Cu

 

55.0 ± 9.0

 

Zn

 

97.0 ± 13.0

63.8 ± 3.5

As

  

3.78 ± 0.17

Br

  

3.36 ± 0.30

Rb

  

12.5 ± 2.1

Sr

  

645 ± 43

Zr

  

72.3 ± 8.0

Mo

  

6.17 ± 1.11

Ag

1130 ± 100

  

Sn

  

162 ± 50

Sb

  

1.07 ± 0.096

Cs

  

0.143 ± 0.007

Ba

  

262 ± 14

La

  

14.5 ± 0.7

Ce

  

22.2 ± 3.3

Nd

  

18.5 ± 2.8

Sm

7.81 ± 1.68

 

6.26 ± 0.75

Eu

  

1.46 ± 0.09

Gd

1.28 ± 0.17

  

Tb

  

0.581 ± 0.027

Yb

  

1.49 ± 0.26

Lu

  

0.266 ± 0.029

Hf

  

2.35 ± 0.19

Ta

  

0.494 ± 0.016

W

  

0.444 ± 0.129

Hg

  

42.0 ± 1.9

Pb

 

823 ± 48

 

Th

  

4.31 ± 0.16

U

  

1.50 ± 0.10