Organic Membranes for Selectivity Enhancement of Metal Oxide Gas Sensors

Table 6

Retention capacity of the investigated thermoplastic polycondensates PC, PEEK, PES, PI, and PEI. The values given are the arithmetic mean of three measurements.

Membrane	Sensor	H2	CO	CH4	Ethanol	Acetone	Acetald.
PC	MOX	0,998	0,995	—	—	—	—
PEEK	MOX	0,997	—	—	—	—	—
PES	MOX	0,9991	—	—	—	—	—
PI	MOX	0,9997	—	—	—	—	—
PEI	MOX	0,996	—	—	—	—	—