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Table 1 Changes in the binding energy peaks of Pb, C, N, and O on the surface of strain SEM-15 before and after lead adsorption

From: Mechanism of lead adsorption by a Bacillus cereus strain with indole-3-acetic acid secretion and inorganic phosphorus dissolution functions

 

Binding Energy Peak

Proportion Statistics(%)

No

Binding Energy(eV)

CK

Pb2+ adsorption

Pb

1

138.7

/

52.39

2

143.6

/

47.61

C

1

287.25

72.03

58.36

2

288.63

16.01

19.29

3

290.06

11.96

21.35

N

1

393.5

/

13.99

2

397.7

/

82.11

3

400.2

61.72

/

4

401.4

38.28

/

5

400.7

/

3.9

O

1

532.6

4.22

37.69

2

532.8

/

59.54

3

533.3

90.24

2.77

4

536.5

5.54

/