Filters, Membrane, 47mm, 0.22um, PVDF. Round, AQ Brand. 100/PK.
Additional Info:
The 58422-VD47 AQ Brand Membrane Filters are 47 mm polyvinylidene fluoride (PVDF) membrane discs engineered for high‑purity aqueous filtration, providing fine particulate retention and consistent performance.
These hydrophilic membranes offer low protein binding, making them ideal for biological samples and sensitive analytical workflows. With absolute retention at 0.22 µm, they are suited for fine filtration and sterile applications, helping to ensure clean mobile phases and reproducible chromatographic results.
Key Features
0.22 µm Fine Filtration
Provides high retention efficiency for very fine particles
Suitable for sterile filtration and high‑purity workflows
Hydrophilic PVDF Membrane
Compatible with aqueous and polar solvents
Enables consistent wetting and smooth filtration
Low Protein Binding
Minimizes analyte loss in protein and biological samples
Ideal for bioanalytical and life science applications
High Purity / Low Extractables
Reduces background interference and contamination
Meets USP limits for extractables and oxidizable substances
Reliable Flow Performance
Balanced for efficient filtration at fine pore size
Maintains stable pressure and flow characteristics
Sterilization Compatible
Autoclavable at 121 °C for 30 minutes
Compatible with EO sterilization
Broad Compatibility
Suitable for:
Mobile phase filter/degasser assemblies
Standard membrane filtration holders
Specifications
Type: Membrane Filter Disc
Material: PVDF (hydrophilic)
Pore Size: 0.22 µm
Diameter: 47 mm
Flow Rate: ≥10 mL/min/cm² @ 10 psi, 27 °C
Bubble Point: >50 psi (3.52 kg/cm²)
Thickness: 135 µm ± 15 µm
Max Operating Temperature: 80 °C
Extractables: Within USP limits (WFI)
Oxidizable Substances: Passes USP test
Brand: AQ
Typical Applications
HPLC mobile phase filtration, sterile filtration, biological sample preparation, protein analysis, pharmaceutical testing, and applications requiring low protein binding and high‑purity aqueous filtration