Laboratory membrane filter

Thumbnail
Laboratory membrane filter
Pall

Laboratory membrane filter

Pall laboratory membrane filters are high-performance disc and cartridge filters used for sample clarification, sterilization, and microbiological testing.
Common Types and Sizes
• Nylaflo (Nylon) Membranes: Naturally hydrophilic, strong chemical resistance to bases and alcohols, commonly used in Fisher Scientific HPLC preparations.
• Pore Sizes: Frequently available in 0.2 µm (sterilization) and 0.45 µm (particulate cleanup).
• Diameters: Standard sizes range from 25 mm to 47 mm for disc holders

Product Code: Pall

Description

Main Laboratory Uses
• HPLC Preparation: Removes fine particles to protect chromatography columns.
• Microbiology Testing: Captures microorganisms for colony counting.
• Aqueous/Organic Filtration: Filters buffers and biological solutions reliably.

Specification GN-6 Metricel (MCE) Nylaflo (Nylon) Supor (PES) PTFE
Primary Use Microbiology & Water Testing HPLC Prep & Solvents Biologicals & Pharma Aggressive Organics & Gases
Fluid Interaction Hydrophilic Hydrophilic Hydrophilic Hydrophobic
Common Pore Sizes 0.45 µm (standard) 0.2 µm / 0.45 µm 0.2 µm / 0.45 µm 0.2 µm / 0.45 µm
Max Temp (Water) 74 °C 100 °C 85 °C 135 °C
Autoclavable Yes (121–123 °C) Yes (121 °C) Yes (121 °C) Yes (121 °C)
Protein Binding High High Very Low Low
Visual Elements Dot Grid Pattern Plain White Plain White/Black Plain White

Available Downloads