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Table 2 Element weight percentage obtained by EDS

From: Quantitative analysis of cadmium in rice roots based on LIBS and chemometrics methods

Group

O (%)

C (%)

N (%)

Na (%)

Cl (%)

Si (%)

K (%)

Mg (%)

Ca (%)

Cd (%)

Day10

CK

72.79

14.46

3.84

2.76

2.67

1.53

1.42

0.31

0.22

0

5

71.54

13.82

3.98

3.44

2.63

2.42

1.58

0.28

0.20

0.10

25

72.20

14.67

3.63

2.95

2.53

1.80

1.51

0.33

0.25

0.15

50

70.53

14.43

4.15

3.35

2.44

1.91

1.84

0.60

0.45

0.29

100

70.23

14.35

3.57

3.45

2.39

2.35

2.22

0.63

0.53

0.28

Day20

CK

73.14

15.74

2.97

2.32

2.23

1.93

1.28

0.24

0.14

0

5

73.98

14.89

2.88

2.64

2.31

1.60

1.20

0.28

0.12

0.09

25

73.59

15.24

2.59

2.27

2.22

2.13

1.30

0.24

0.21

0.20

50

75.30

14.80

2.58

2.23

2.02

1.42

0.95

0.27

0.22

0.20

100

73.97

14.86

2.62

2.41

2.30

1.78

1.32

0.27

0.26

0.20

Day30

CK

75.52

15.53

2.42

2.03

1.83

1.24

0.83

0.29

0.29

0

5

74.80

14.61

2.65

2.40

2.11

1.54

1.34

0.25

0.17

0.12

25

75.05

15.83

2.48

1.85

1.68

1.44

0.86

0.39

0.22

0.20

50

76.05

14.83

2.08

1.81

1.79

1.54

1.08

0.33

0.30

0.19

100

74.38

14.48

2.36

2.08

1.96

1.80

1.47

0.64

0.51

0.32