Anotop 10mm Sterile Syringe Filters, 0.02 um, 50 Pk
Whatman SKU: 6809-1102

Whatman Anotop Aluminum Oxide Syringe Filters, 0.02 µm, 10 mm, 50/Pk - 6809-1102

Whatman's Anotop line separates by physical particle dimension alone, a capability rooted in ceramic media chemistry rather than the organic polymer chemistries used in most other membrane technologies. Because each syringe filter is dedicated to one sample, a failed or contaminated filtration never delays the next analyst's run waiting on a shared holder. Anotop's fine pore geometry reduces biofilm buildup relative to larger-pore ceramic surfaces while giving proteins a short, direct channel path and provides sterile-grade retention with high recovery. The polypropylene housing keeps the sample chemically unaltered across the pass while staying inert across common laboratory solvents and maintains a low-dead-volume internal flow path. Where small-volume samples must reach the instrument clean, syringe filtration clears particulates in a single pass.

Technical Specifications

• Low intrinsic autofluorescence limits background signal in epifluorescence staining with acridine orange and DAPI
• Rigid inorganic structure withstands high temperatures with minimal extractables
• Anodized alumina matrix contains no monomers, plasticizers, adhesives, or wetting agents, removing a source of trace organic contamination
• Branched-pore alumina structure yields uniform unilamellar liposomes in fewer extrusion passes than polycarbonate membranes
• Uniform capillary pore array gives high pore density without lateral crossover

Housing Specifications

• Standardized luer connection geometry provides secure engagement with standard syringe tips
• Medical-grade polypropylene with broad chemical compatibility
• Impact-tolerant polypropylene body withstands routine bench handling without damage
• Low moisture absorption keeps the housing dimensionally stable through humid storage and shipping

Removing particulates from your buffers and mobile phases extends column life and keeps your baselines steady. Reliable particulate removal protects your instruments and your data across reagent, buffer, and mobile-phase preparation. Ask how Whatman's track record as a proven brand supports standardizing your filtration workflow.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Bubble Point (psi)

6.9 bar (100 psi)

Burst Pressure (psi)

100psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Anopore (Aluminum Oxide)

Diameter

10mm

Filtration Area

0.78cm²

Holdup Volume

<20µl

Material

Anopore

Maximum Operating Pressure

100psi

Maximum Operating Temperature (°C)

40°C

Pack Count

50

Pore Size (µm)

0.02

Prefilter (Yes/No)

No

Sterility

Nonsterile

Volume Throughput (ml)

Up to 10ml

Wettability

Hydrophilic

• HPLC Solvent Filtration - Filter chromatography mobile phases and solvents reliably, resisting degradation from aggressive organic reagents.
• Carbohydrate Prep - Prepare saccharide samples for analysis, ensuring no organic extractables interfere with sensitive carbohydrate detection.
• Cold Sterilization - Sterilize heat-sensitive additives safely, using 0.02 µm pores to remove bacteria without degrading critical components.
• Low Background Specs - Prepare samples for spectrophotometry, ensuring extremely low optical background for the most sensitive analytical readings.
• Low-Bleed IC Sampling - Filter samples for ion chromatography confidently, as the alumina membrane leaches minimal anions into the analyte stream.
• Epifluorescence Counting - Counts bacteria and viruses precisely in water samples, using the low-autofluorescence surface for microscopy.