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. 2021 Mar 15;14(6):1419. doi: 10.3390/ma14061419

Table 1.

Atomic concentration of C and O obtained from XPS measurements.

Atomic
Concentration
SWCNH SWCNH-ox-0.5 SWCNH-ox-1 SWCNH-ox-1.5 SWCNH-ox-3
C 97.79 92.4 90.0 90.3 88.4
O 2.21 7.6 10.0 9.7 11.6