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Table 6 Chemical analysis of surface (group 3 spectrum 1)

From: Achieving surface chemical and morphologic alterations on tantalum by plasma electrolytic oxidation

Element Weight % Atoms %
Carbon 4.79 18.86
Oxygen 16.05 47.44
Sodium 0.53 1.10
Magnesium 1.36 2.63
Calcium 10.64 12.56
Tantalum 66.63 17.41
Total 100 100