Filters, Membrane, 47mm, 0.45um, PVDF. Round, AQ Brand. 100/PK.
Additional Info:
The 58445-VD47 AQ Brand Membrane Filters are 47 mm polyvinylidene fluoride (PVDF) membrane discs engineered for aqueous mobile phase filtration and biological sample preparation, providing high flow rates, low extractables, and consistent retention performance.
These hydrophilic membranes are optimized for low protein binding, making them ideal for biological samples and sensitive analytical workflows. With absolute retention at 0.45 µm, they help ensure clean filtration and reproducible chromatographic results.
Key Features
0.45 µm Filtration
Effective for particulate removal in aqueous solutions
Protects columns and analytical systems
Hydrophilic PVDF Membrane
Compatible with aqueous and polar solvents
Enables consistent wetting and smooth filtration
Low Protein Binding
Minimizes analyte loss in biological and protein samples
Ideal for life science and bioanalytical applications
High Flow Performance
Designed for fast filtration rates
Supports efficient laboratory workflows
Low Extractables / High Purity
Reduces baseline interference and contamination
Meets USP limits for extractables and oxidizable substances
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: 0.45 µm
Diameter: 47 mm
Flow Rate: ≥30 mL/min/cm² @ 10 psi, 27 °C
Bubble Point: >30 psi (2.10 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, biological sample preparation, protein analysis, pharmaceutical and environmental testing, and applications requiring low protein binding and high‑purity aqueous filtration