Table 1 WDS result of purple sample (wt%). A dash (-) represents uncalculated data

From: Study of barium copper silicate pigments on painted pottery from the Qinhan Xincheng, Western Han Dynasty (207 B.C.–8 A.D.), Xi’an, Shaanxi province, China

Posi

Si

Al

S

Cu

Pb

Ba

Mg

Fe

K

Ca

Ni

Cu/Ba

Si/Cu

Si/Ba

1

5.74

1.02

11.65

1.22

1.43

74.91

0.23

0.36

0.09

0.40

2.93

–

–

–

2

15.33

0.29

0.00

2.10

48.33

31.43

0.07

0.17

0.02

0.08

2.18

–

–

–

3

16.21

0.56

0.00

1.85

48.67

28.28

0.28

2.10

0.02

0.24

1.79

–

–

–

4

21.27

1.12

0.00

2.21

46.56

26.00

0.39

0.72

0.16

0.32

1.25

–

–

–

5

31.50

23.46

0.02

0.06

0.18

0.08

0.75

14.59

1.00

28.31

0.04

–

–

–

6

26.46

2.39

0.27

18.67

1.40

44.10

0.36

0.82

0.32

4.03

1.17

0.82

2.94

2.40

7

24.70

1.54

0.17

22.16

1.05

47.88

0.34

0.53

0.13

0.14

1.35

0.89

2.31

2.06

8

23.38

0.81

0.16

23.23

1.03

49.51

0.10

0.22

0.07

0.14

1.34

0.91

2.08

1.89

9

25.60

0.50

0.04

22.43

0.90

48.62

0.08

0.26

0.04

0.09

1.43

0.89

2.36

2.11

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