Filters, Membrane, 47mm, 0.45um, PTFE. Round, AQ Brand. 100/PK.
Additional Info:
The 58645-PT47 AQ Brand Membrane Filters are 47 mm PTFE (polytetrafluoroethylene) membrane discs with polypropylene support, designed for filtration of organic solvents and chemically aggressive solutions.
These hydrophobic membranes provide excellent resistance to acids, bases, and normal phase HPLC solvents, making them ideal for non‑aqueous mobile phase filtration. With low extractables and absolute retention at 0.45 µm, they support clean solvent preparation and reproducible chromatographic performance.
Key Features
0.45 µm Filtration
Removes particulates from organic solvents and mobile phases
Protects columns and analytical systems
Hydrophobic PTFE Membrane
Water‑repellent surface
Ideal for organic and non‑aqueous applications
Excellent Chemical Resistance
Resistant to:
Acids and bases
Normal phase HPLC solvents
Will not degrade under typical solvent conditions
Polypropylene Support Layer
Provides mechanical strength and durability
Ensures consistent handling and filtration performance
Low Extractables / High Purity
Minimizes contamination and baseline interference
Supports reliable analytical results
Sterilization Compatible
Autoclavable at 121 °C for 30 minutes
Compatible with EO sterilization
High Temperature Tolerance
Maximum operating temperature up to 250 °C
Broad Compatibility
Suitable for:
Membrane filtration holders
Mobile phase filtration systems
Specifications
Type: Membrane Filter Disc
Material: PTFE (hydrophobic) with polypropylene support
Pore Size: 0.45 µm
Diameter: 47 mm
Max Operating Temperature: 250 °C
Filtration Type: Hydrophobic membrane
Brand: AQ
Typical Applications
Normal phase HPLC solvent filtration, organic solvent purification, aggressive chemical filtration, environmental and pharmaceutical analysis, and applications requiring hydrophobic, chemically resistant membranes