Table 3.

Elemental composition of selected prepared pure polymer and blend membranes.

Membrane Code	18019 L0.05 EPI		01819 L0.05 EPI		14419 L0.05 EPI		14419 L0.05 EH
Element	Mass%	At%	Mass%	At%	Mass%	At%	Mass%	At%
C	68.68	77.51	31.10	41.74	55.36	68.75	53.53	66.31
O	21.60	18.31	0.0	0.0	12.38	11.55	12.55	11.67
F	0.0	0.0	68.30	57.97	14.82	11.63	19.77	15.48
S	8.33	3.52	0.0	0.0	16.58	7.71	13.48	6.26
Others traces elements	1.39	0.66	0.6	0.28	0.87	0.36	0.67	0.28