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. 2022 Dec 5;12(12):1227. doi: 10.3390/membranes12121227

Table 3.

Diffusion coefficients of Water (D0,water) and ethanol (D0,ethanol) through all the membranes at infinite dilution at 23 °C.

Membrane D0,water (m2/s) γ D0,ethanol (m2/s) β
PVA 3.16 × 10−9 0.17 7.91 × 10−11 0.0001
PVA-CNT-COOH 2.06 × 10−8 0.38 2.06 × 10−10 0.00006
PVA-GO 1.58 × 10−8 0.4 3.95 × 10−10 0.0001
PVA-GO-CNT-COOH 2.37 × 10−8 0.31 3.16 × 10−10 0.0001