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Table 4 Chemical composition (wt.%) of the reddish purple glaze cross section

From: New perspective on Jun glaze corrosion: study on the corrosion of light greenish blue and reddish purple glazes from Juntai Kiln, Yuzhou, Henan, China

Position

Na2O

MgO

Al2O3

SiO2

K2O

CaO

Fe2O3

Figure 7d EDS1

0.3

0.7

9.8

71.9

5.3

10.3

1.6

Figure 7d EDS2

0.2

0.7

8.6

67.8

6.0

15.1

1.5

Figure 7f EDS1

0.4

0.8

12.0

69.1

5.3

10.5

1.9

Figure 7f EDS2

0.5

0.6

9.3

73.2

4.5

10.6

1.3

Figure 7f EDS3

0.1

1.2

47.0

50.8