average permeability coefficients of water , methanol and ethanol were determined as 16.5 +/- 5.9 x 10 ( -3 ) cm hr-1 , 5.6 x 10 ( -3 ) cm hr-1 and 5.8 +/- 3.1 x 10 ( -3 ) cm hr-1 respectively .
C0001963
methanol
C0001962
ethanol