Table 2 Analytical results (wt%) obtained by lab-XRF on the glaze surfaces of the samples

From: Study on the morphology and structure of ε-Fe2O3 crystals in Chinese sauce wares (960–1279 CE)

Samples

Oxides

Na2O

MgO

Al2O3

SiO2

K2O

CaO

TiO2

Fe2O3

HYY-01 ~ 06

Average

0.75

2.21

15.69

67.32

2.44

5.45

0.75

5.40

SD

(0.30)

(0.76)

(0.82)

(1.05)

(1.11)

(1.15)

(0.13)

(0.99)

JXY-01 ~ 03

Average

0.58

1.62

16.31

68.77

3.15

2.79

0.78

6.00

SD

(0.18)

(0.17)

(0.67)

(0.59)

(0.11)

(0.24)

(0.01)

(0.39)

DYY-01 ~ 06

Average

0.91

1.34

16.74

68.28

2.49

2.89

0.91

6.45

SD

(0.31)

(0.17)

(0.38)

(1.05)

(0.26)

(0.43)

(0.12)

(0.41)

GQC-01 ~ 08

Average

0.51

0.93

15.30

69.49

3.53

3.38

0.82

6.05

SD

(0.17)

(0.16)

(0.14)

(0.66)

(0.20)

(0.59)

(0.05)

(0.47)

CGY-01 ~ 11

Average

0.97

1.05

16.20

67.13

2.91

3.35

0.85

7.54

SD

(0.21)

(0.28)

(0.48)

(1.02)

(0.41)

(0.48)

(0.10)

(0.81)

YZ-01, 05 ~ 12

Average

0.59

1.59

16.60

67.74

3.23

2.90

0.84

6.52

SD

(0.20)

(0.35)

(1.05)

(2.26)

(0.45)

(0.42)

(0.20)

(0.59)

YG-01 ~ 10, 17

Average

0.56

1.66

15.64

68.48

3.16

3.04

0.75

6.71

SD

(0.07)

(0.21)

(0.23)

(1.30)

(0.20)

(0.21)

(0.09)

(1.18)

LS-DD-01 ~ 12

Average

0.70

1.26

16.60

67.93

3.20

2.97

0.83

6.51

SD

(0.19)

(0.42)

(0.42)

(1.00)

(0.06)

(0.28)

(0.07)

(0.81)

SJ-LHP-01 ~ 12

Average

0.51

1.18

16.71

64.65

3.52

4.07

0.60

8.76

SD

(0.34)

(0.62)

(2.41)

(2.01)

(0.54)

(0.50)

(0.12)

(1.92)

  1. At least three analyzed points were performed in each zone to estimate the homogeneity. The mean and standard deviation (in brackets, abbreviated as SD) are given. Additionally, the mass ratios of Al2O3/Fe2O3 and CaO/Fe2O3 were also calculated.