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Table 9 Chemical analysis of surface (group 4 spectrum 2)

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

Element Weight % Atoms %
Carbon 15.07 26.19
Oxygen 45.97 59.99
Sodium 0.58 0.52
Magnesium 1.38 1.18
Phosphorus 4.51 3.04
Calcium 13.12 6.84
Tantalum 19.37 2.24
Total 100 100