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Heritage Science

Table 2 Semi quantitative analysis results of SEM–EDS(wt %)

From: Guangzhou Tongcao painting in late China Qing Dynasty (1840–1912 AD): technology revealed by analytical approaches

Samples

X0

X1

X2

X3

Q0

Q1

Q2

Al

0.06

0.22

0.44

0.38

0.17

0.12

1.43

S

0.07

0.32

1.14

1.13

0.10

0.26

0.85

K

0.15

0.19

0.14

0.16

0.17

0.11

0.18

Pb

/

/

/

/

/

/

32.1

Ca

1.05

0.64

0.69

0.57

2.32

1.14

2.84

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