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Table 8 Chemical analysis of surface (group 4 spectrum 1)

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

Element Weight % Atoms %
Carbon 10.43 23.42
Oxygen 35.02 59.04
Sodium
Magnesium 1.12 1.24
Phosphorus 3.68 3.20
Calcium 10.82 7.29
Tantalum 38.93 5.81
Total 100 100