SiO₂

Al₂O₃

MgO

K₂O

CaO

Na₂O

Fe₂O₃

SO₃

L₂O

MnO

Total

Ghassoulite

64.57

2.06

23.63

2.84

1.84

1.52

0.84

1.91

0.28

0.41

99.90

1/4 CEC

64.51

9.04

23.01

0.02

0.02

0.62

0.79

1.21

0.25

0.41

99.88

1/2 CEC

64.50

7.28

23.24

0.02

0.08

0.77

0.82

1.54

0.27

0.41

99.63

3/4 CEC

64.53

5.68

23.53

0.06

0.09

1.31

0.84

1.84

0.28

0.41

98.48