Sample

%Ag total amount

BE
 (eV)

% Ag+

BE
 (eV)

% Ag

BE
 (eV)

% Ag+n

AgAc

2.82

366.5

0.57

368

2.25

-

-

AgCl

1.04

366.8

0.55

368

0.49

-

-

AgNO3

4.69

367.5

3.81

368.5

0.63

371

0.25

AgSO4

2.39

-

-

368

2.26

369.5

0.13

Table 3: Silver species and percentage calculated by XPS.