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Table 2 Results of XRF analysis of soil samples from two archeological sites (wt%)

From: A methodological approach to estimate soil corrosivity for archaeological copper alloy artefacts

 

SiO2

CaO

Al2O3

Fe2O3

MgO

K2O

SO3

P2O5

TiO2

Cl

Na2O

Co3O4

NiO

MnO

CuO

ZnO

L.O.I

HT.01

21.8

25.7

5.1

3.8

3.0

1.8

13.6

0.22

0.36

1.2

0.88

–

–

–

–

–

22.48

HT.02

31.1

26.5

6.8

4.2

3.9

2.1

2.2

0.11

0.40

0.14

0.33

–

–

–

–

–

22.40

HT.03

35.7

26.7

7.5

4.7

4.3

2.6

3.1

0.21

0.46

–

0.58

–

–

–

–

–

14.16

HT.04

32.0

21.5

6.4

3.9

4.0

2.6

0.74

0.43

0.38

0.85

0.74

–

–

–

–

–

26.60

HT.05

28.9

23.7

6.2

4.2

3.6

2.6

4.7

0.21

0.39

0.71

0.58

–

–

–

–

–

24.15

HT.06

29.7

24.9

7.0

5.8

4.2

3.0

2.8

0.79

0.51

0.66

0.72

–

–

–

–

–

20.00

ST.01

30.5

23.5

8.8

7.6

4.0

2.2

0.13

0.58

0.72

0.082

–

0.035

0.067

0.10

0.091

0.064

21.56

ST.02

33.1

20.1

9.1

7.9

4.3

2.1

0.074

0.25

0.77

0.079

0.93

0.037

0.068

0.097

0.094

0.065

20.78

ST.03

26.0

24.5

9.7

9.1

4.4

2.4

0.085

0.46

0.85

0.057

–

0.034

0.079

0.091

0.093

0.066

22.10

ST.04

30.5

23.2

7.7

7.6

4.5

1.7

0.082

0.37

0.83

0.053

–

0.027

0.074

0.085

1.8

0.062

21.25

ST.05

32.3

22.9

8.6

7.5

3.7

2.1

0.075

0.48

0.67

0.035

–

–

–

0.041

–

–

21.60

ST.06

55.7

3.0

14.5

11.1

4.9

3.4

0.054

0.26

1.0

0.035

–

–

0.0055

0.12

0.0038

–

5.98