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Table 6 Pore size distribution of the different membranes

From: Synthesis of alumina, titania, and alumina-titania hydrophobic membranes via sol?gel polymeric route

Sample symbol

Total intrusion volume (ml/g)

Total pore area (m 2/g)

Bulk density (g/ml)

Average pore diameter (?m)

Apparent density (g/ml)

Total porosity (%)

Support

0.2025

4.863

0.0914

2.2924

4.2786

46.42

Hydrophobic support

0.1756

4.087

0.1719

2.3728

4.0677

41.67

Intermediate layer

0.1547

3.116

0.2163

2.4669

3.9889

38.16

A

0.0951

9.080

2.9666

0.0419

4.1316

28.27

AT25

0.0785

24.258

2.7355

0.0129

3.4830

21.46

AT50

0.0971

8.273

2.9119

0.0248

4.0595

28.27

AT75

0.0344

5.546

2.9833

0.0469

3.3249

34.32

T

0.0998

35.464

2.5678

0.0113

3.3425

25.03