Table 3 Relative quantity of compounds in the outermost passive film on 316 SS

From: Influence of multilayer sea sand and Shewanella algae on the corrosion behavior of 316 SS

 

Without S. algae

With S. algae

 

Matrix

L

M

S

Matrix

L

M

S

Cr

10.04

10.14

11.99

14.42

15.15

14.44

12.94

8.20

Cr2O3

28.34

27.48

23.95

21.11

22.49

25.83

28.10

33.89

Cr(OH)3

61.62

62.38

64.06

64.47

47.04

45.77

45.66

44.48

CrO3

-

-

-

-

15.32

13.96

13.30

13.43

Cr2O3/Cr(OH)3

0.46

0.44

0.37

0.33

0.48

0.56

0.62

0.76