Table 1 Chemical composition of the marked positions in Fig. 1a (QHXC-1), Fig. 3a (QHXC-2), Fig. 5a (QHXC-3) and Fig.7a (QHXC-4) (normalized wt%).

From: The corrosion mechanism of lead-glazed pottery in Han dynasty

Element

Na

Mg

Al

Si

K

Ca

Ti

Fe

Cu

Pb

O

P

Mn

Ba

Sn

QHXC-1

corrosion

0.25

0.88

5.04

14.89

2.16

5.12

0.61

5.96

0.04

36.59

27.95

0.28

0.08

 

0.13

well-preserved

0.05

0.60

2.43

8.03

0.24

0.84

0.19

2.29

0.05

71.54

13.41

0.13

0.03

0.02

0.14

QHXC-2

corrosion

0.10

0.28

0.53

2.28

0.13

6.80

0.05

0.33

1.21

71.76

11.57

4.09

 

0.04

0.02

well-preserved

  

0.21

2.84

 

0.87

0.01

0.26

1.98

88.43

4.21

0.09

0.01

0.12

0.01

QHXC-3

corrosion

 

0.15

0.55

2.45

 

1.02

0.05

0.64

0.63

89.06

4.24

 

0.01

0.11

0.55

well-preserved

 

0.12

0.39

1.06

 

0.97

0.04

0.42

0.33

93.34

2.36

 

0.01

0.14

0.29

QHXC-4

corrosion

0.54

1.13

2.46

11.47

0.53

4.46

0.22

2.70

0.25

56.58

19.40

 

0.04

0.01

0.06

well-preserved

0.26

1.35

2.53

12.35

0.84

3.43

0.19

2.20

0.14

56.57

19.93

 

0.03

0.02

0.04

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