CO₂-Philic [EMIM][Tf₂N] Modified Silica in Mixed Matrix Membrane for High Performance CO₂/CH₄ Separation

Table 3

EDX elemental analysis of fabricated membranes.

Sample	EDX elemental analysis (wt )
	C	O	Si	F
PC-Sil	76.56	22.90	0.54	-
1.0:0.5	71.48	22.14	4.33	2.05
1.0:1.0	76.35	22.32	1.31	0.02
1.0:1.5	69.17	22.58	7.02	1.22
1.0:2.0	71.86	23.34	4.50	0.29
1.0:2.5	72.18	23.37	3.63	0.81