Sample
Seed size (nm)
Membrane thickness (μm)
N2 permeance (mol m-2s-1Pa-1)
SF6 Permeance (mol m-2s-1Pa-1)
N2/SF6 Ideal Selectivity
M1 1500 ⁓ 3 3.20×10-5 1.27×10-5 2.52
M2 300 ⁓ 3 2.30×10-5 6.85×10-6 3.36
M3 60 ⁓ 5 2.10×10-5 2.50×10-6 8.4