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Anodic Aluminum Oxide Isotropic membrane filters, 20nm pore, 13mm dia, pk20
Anodic Aluminum Oxide Isotropic membrane filters, 20nm pore, 13mm dia, pk20
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Anodic Aluminum Oxide Isotropic membrane filters, 20nm pore, 13mm dia, pk20

Item Number AAOI2013-CA
Availability Contact for Availability
Price  $400.00

InRedox Anodic Aluminum Oxide Isotropic membrane filters, 20nm pore, 13mm dia, pk20

Isotropic Anodic Aluminum Oxide (AAO) have uniform pore structure across the entire thickness and on both faces of the membrane, making them ideal for transport studies in nanochannels.

Isotropic AAO have a range of standard pore diameters from 10 to 200 nm. The pores are essentially monodisperse with a pore diameter distribution that is typically less than 10% (full width, half max).

The membrane filters are far less brittle than similar ceramic membrane filter products ensuring easier handling, usage and less loss of product or samples during preparation.

Membrane Features

•             Precise and reproducible pore geometries

•             Pore size from 2 nm to 200 nm

•             Narrow pore size distribution, sharp molecular weight cutoff

•             Uniform Isotropic pore structure

•             Smooth flat surface, low fouling, straight pores

•             Optically transparent when wet, low autofluorescence

•             Surface terminated with -OH-groups for binding protocols

•             Naturally hydrophilic, no extractables or leachables

•             Excellent bath-to-batch consistency

Pore Geometries for Isotropic AAO Membranes

Parameter

Tolerance

Pore Diameter (nm)

10

20

40

100

200

±(10%+2nm)

Pore Period (nm)

26

44

107

250

470

±(15%+5nm)

Pore Density (cm-2)

1.6·1011

5.8·1010

1.0·1010

2·109

5·108

±20%

Porosity (%)

12

12

12

15

15

±3

Attributes of Isotropic Ceramic AAO Membranes

Size (mm dia) ±0.2 mm

13, 25

Thickness (µm) ±(10% +1μm)

50

Nominal weight (mg/cm2)

10 to 20

Burst strength (psi)

50  to  200 (depending on pore size) for 50 µm membrane over 3 mm span

Max Service Temp (°C)

400

pH range

5-8

Solvent Resistance

Excellent (can be used with most organic solvents)

Autoclavable?

Yes

Air Permeance (cm/s/Pa at 20°C)

10-8 to 10-4 (depending on pore size and porosity)

Water Permeance (cm/s/Pa at 20°C)

10-10 to 10-6 (depending on pore size and porosity )

Uniform pores and constant pore diameter across membrane thickness

Pore diameter 10 – 200 nm

Thickness 50 μm

Applications: templated nanofabrication, energy conversion, transport in nanopores; diffusion-based separation, catalytic membrane-reactors, chemical & biosensing

Other pore sizes, filter diameters may be available. Please contact SPI Supplies for further information.