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Table 5 The composition on the surface of A. tumefaciens S12 from XPS spectra

From: Biosorption of Pb2+, Cd2+ and Zn2+ from aqueous solutions by Agrobacterium tumefaciens S12 isolated from acid mine drainage

Sample

Surface composition (%)

C1s

N1S

O1s

P2P

Pb 4f

Cd 3d

Zn 2p

A.tumefaciens

68.44

8.18

22.38

1

-

-

-

A.tumefaciens-Pb

70.63

7.21

20.62

0.47

1.07

-

-

A.tumefaciens-Cd

71.13

5.6

20.82

0.88

-

1.56

-

A.tumefaciens-Zn

71.17

6.12

20.38

0.64

-

-

1.73