Elements

Samples (Mass pct)

pH7

pH8

pH9

pH10

pH11

pH12

O

48.40

47.80

47.50

47.40

47.50

49.70

Na

19.70

20.70

22.00

23.40

24.70

25.70

Al

13.10

12.70

11.10

9.20

6.70

4.20

S

17.90

17.20

16.20

16.40

16.80

16.40

Mg

0.24

0.32

0.36

0.99

1.07

2.08

Ca

0.19

0.24

0.30

0.56

0.55

0.61

Si

0.03

0.03

0.03

0.19

0.16

0.26

Fe

0.20

0.55

0.72

0.72

0.74

0.86

Other

0.24

0.46

1.79

1.14

1.78

0.19