Element

App. Conc.

Intensity

Wt.%

Wt.%. Sigma

Atomic%

C

7.39

0.4037

10.68

0.48

18.67

O

26.27

0.3787

40.49

0.50

53.12

Na

0.53

0.7282

0.42

0.06

0.39

Mg

0.36

0.6991

0.30

0.05

0.26

Al

1.21

0.8162

0.86

0.05

0.67

P

30.97

1.3386

13.50

0.17

9.15

Cl

2.41

0.7985

1.76

0.06

1.04

Ca

54.24

0.9987

31.70

0.32

16.60

Fe

0.39

0.8083

0.28

0.08

0.11

Total

100