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. 2020 Apr 23;10(27):16168–16178. doi: 10.1039/d0ra00480d

Chemical compositions of various TFC membranes.

Membrane C (%) N (%) O (%) S (%) Cl (%) C/O C/N
M0 63.84 17.07 18.26 0.81 0.02 3.50 3.74
M1 64.09 15.77 18.17 1.96 0.01 3.53 4.06
M2 65.05 14.85 17.98 2.11 0.01 3.62 4.38
M3 66.60 13.22 17.80 2.36 0.02 3.74 5.03
M4 63.49 15.77 18.23 2.50 0.01 3.48 4.03
Mb 61.01 18.78 18.43 1.78 0 3.31 3.25