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. 2017 Dec 7;2(12):8751–8759. doi: 10.1021/acsomega.7b01266

Table 1. Summary of N 1s and C 1s Peak Analysis for All Four Membranes.

membrane N1a (%) (399.4) N2a (%) (400.5) N3a (%) (401.7) C/O ratio
GO       2
CS/0 86.34 9.56 4.10 5
DG-CSGO 80.68 12.64 6.68 2.2
DN-CSGO 83.50 9.86 6.64 2.3
a

N1, N2, and N3 are related to amine, amide, and protonated amine species, respectively.