
By InRedox
Free-standing nanoporous AAO wafers with pores open on both faces (also known as anodic alumina membranes or nanotemplates) are the most popular form factor for many applications. Wide selection of wafer sizes, pore diameters and AAO thicknesses in stock for on-line ordering and quick delivery. No minimal order – just select AAO parameters and in the pull-down menu below and add to cart. Customization – if you need different specifications, review the table below and contact us with your requirements. For those who need more than a few wafers for their project, AAO Wafer Packs offer significant cost savings per unit: AAO Volume Packs Packs of 20, 50 or 100 wafers or membranes of the same size, thickness and pore diameter. AAO Variety Packs Assortment of AAO wafers with different pore diameters, 3 to 10 wafer per pore size. SKU: AAO-SIZE-D-H Description The general range of AAO Wafers geometries and specifications. PARAMETER AVAILABLE RANGE* STANDARD SPECIFICATIONS (STOCK PRODUCTS) Pore Diameter, nm 2 – 500 10, 20, 40, 60, 80, 120, 160, 200, 250 (±10% + 2) Size of Free-Standing AAO, mm 1 – 200 5, 10, 13, 25 (±0.1); 50, 100 (±0.2) Shape any round or square AAO Thickness, µm 5 – 200 20±1 (size 5 to 13 mm only), 50±2, 100±4, 150±10 Pore Density, cm -2 10 12 – 10 8 depending on the pore diameter Porosity, % 1 – 60 10 – 50 (±3-5) * Custom specifications within these ranges are available upon request, contact us with your requirements. Lead time is 2 to 5 days for standard specifications and 2-6 weeks for custom or out of stock products. * Volume discounts are available on orders over $750. Contact us for to request a formal quotation. Additional information Pore Diameter 10 nm ( 50 µm thickness only), 20 nm, 40 nm, 80 nm, 120 nm, 160 nm, 200 nm, 250 nm Wafer Size 5 mm diameter, 10 mm diameter, 13 mm diameter, 25 mm diameter, 50 mm diameter, 100 mm diameter, 5 mm x 5mm square, 10 mm x 10 mm square, 25 mm x 25 mm square Wafer Thickness 20 µm (for 5, 10 and 13 mm size), 50 µm, 100 µm, 150 µm Extreme Pore Diameter 10 nm, 200 nm

Membrane holders are designed for supporting ceramic AAO membranes in separation, filtration and transport applications. These holders feature a streamlined seal design to maintain either upstream pressure or downstream vacuum and include a smooth porous metal frit to provide seamless support required for AAO membranes under cross-membrane pressure. Application Conditions: aqueous solutions with wide range of pH, inert gases (PEEK holder with Viton® O-rings); some aqueous solutions, organic solutions and vapors, gases (Stainless Steel 304 holder with Kalrez® or Graphite O-rings) Holder Materials: PEEK; Stainless Steel (304) O-ring Materials: Viton®; Kalrez® or Graphite Temperature range: 0 to 85 °C; -20 to 300 °C (with Kalrez® O-rings) up to 700°C (with Graphite seals) Pressure range: up to 150 psi / 1000 kPa; up to 450 psi / 3000 kPa Fittings Materials: Acetal or Delrin; Stainless Steel Common Specifications: - Filtration modes: dead-end (DE) filtration; tangential flow (TF) filtration – requires special fittings - Membrane Diameter: 25 mm (with optional inserts for 13 mm membranes); 33 mm; 47 (50) mm; 90 mm - Membrane thickness: 20 to 200 μm - Holder accommodates other types of membranes - Input / Output ports: 1/8″ NPTF thread (standard); could be modified by request (custom) Standard holder kit for 25 mm AAO Membranes includes: - Top (upstream) and bottom (downstream) flanges - Stainless steel support frit - Stainless steel hardware (3 screws, 3 nuts) - Set of 10 Viton® O-rings for selected membrane size(s) - Inserts for smaller membranes (optional, purchased separately) - Fittings (purchased separately) - Instruction manual Replacement parts available: - O-rings (Viton®, Kalrez®, Graphite) - Mounting hardware - Inserts for smaller membranes sizes (i.e, 13 mm in 25 mm holder) - Fittings for dead end filtration (1/8″ or 1/4″ OD tubing to 1/8″ NPT ports) - Fittings for tangential flow filtration (2 x 1/8″ or 2 x 1/4″ OD tubing to 1/8″ NPT ports)
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Membrane holders are designed for supporting ceramic AAO membranes in separation, filtration and transport applications. These holders feature a streamlined seal design to maintain either upstream pressure or downstream vacuum and include a smooth porous metal frit to provide seamless support required for AAO membranes under cross-membrane pressure. - Apllication Conditions: aqueous solutions with wide range of pH, inert gases (PEEK); some aqueous solutions, organic solutions and vapors, gases (Stainless Steel 304) - Holder Materials: PEEK; Stainless Steel (304) - O-ring Materials: Viton®; Kalrez® or Graphite - Temperature range: 0 to 85 °C; -20 to 300 °C (with Kalrez® O-rings) up to 700°C (with Graphite seals) - Pressure range: up to 150 psi / 1000 kPa; up to 450 psi / 3000 kPa - Fittings Materials: Acetal or Delrin; Stainless Steel Common Specifications: - Filtration modes: dead-end (DE) filtration; tangential flow (TF) filtration – requires special fittings - Membrane Diameter: 25 mm (with optional inserts for 13 mm membranes); 33 mm; 47 (50) mm; 90 mm - Membrane thickness: 20 to 200 μm - Holder accommodates other types of membranes - Input / Output ports: 1/8″ NPTF thread (standard); could be modified by request (custom) Standard holder kit for 25 mm AAO Membranes includes: - Top (upstream) and bottom (downstream) flanges - Stainless steel support frit - Stainless steel hardware (3 screws, 3 nuts) - Set of 10 Viton® O-rings for selected membrane size(s) - Inserts for smaller membranes (optional, purchased separately) - Fittings (purchased separately) - Instruction manual Replacement parts available: - O-rings (Viton®, Kalrez®, Graphite) - Mounting hardware - Inserts for smaller membranes sizes (i.e, 13 mm in 25 mm holder) - Fittings for dead end filtration (1/8″ or 1/4″ OD tubing to 1/8″ NPT ports) - Fittings for tangential flow filtration (2 x 1/8″ or 2 x 1/4″ OD tubing to 1/8″ NPT ports) Price range: $75.00 through $1,945.00
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Set of 10 O-rings for Electrodeposition Holder to accommodate 25 mm AAO wafers with contacts. The set includes: - 5 O-rings for inner seal to 25 mm AAO - 5 O-rings for outer seal The O-rings feature double seal design, ensuring a reliable seal and well-defined surface area.
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