Difference between hydrophilic and hydrophobic filters. Hydrophilic filters are easily wet with water. Hydrophilic filters can be wetted with virtually any liquid, and are the preferred filters for aqueous solutions, as appropriate by compatibility. Once wetted, hydrophilic filters do not allow the free passage of gases until the applied
PTFE and other hydrophobic materials are well suited to organic samples and solvents, which result in no resistance or back pressure. However, some organic solvents can absorb into the membrane material, especially when in contact for long periods.
Spectrum Non-Sterile PTFE Syringe Filters, Porosity 0.22 um, Diameter 13 mm, Hydrophilic - 100 ea Specifications 3603374 Sign In 882-66645 $190.10 PK 882-66651 Spectrum Non-Sterile PTFE Syringe Filters, Porosity 0.22 um, Diameter 25 mm, Hydrophilic
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4. Cytiva Whatman™ Polycap™ Disposable Capsules - 36, 75, and 150 SPF. Provides serum prefiltration. Whatman™ Polycap™ Disposable Capsules permit filtration of tissue culture media, nutrients, immunologicals, enzymes, diagnostic standards/controls, biologicals, buffers, virus suspension. Includes inlet vent.
PTFE Membrane Cartridge, 0.22 Micron Rating, PTM-20, Pharmaceutical Grade PTM sterilizing grade cartridge filters are manufactured for the specific needs of the pharmaceutical industry. Manufactured with inherently hydrophobic PTFE membrane, these cartridges are designed for use in the filtration of aggressive solvents, and as compressed gas and vent filters.
PTFE membrane filters are strong and resistant to acids, bases, and solvents, and stable at high temperatures. With their low background and low tare mass they are ideal for gravimetric or aerosol/gas/vapour sampling. They are also available in preloaded, leak
Spectrum PTFE In-Line Membrane Filter, Porosity 0.22 um, Diameter 50 mm, Sterile - 10 ea Specifications 3603646 Sign In 882-67053 $213.10 PK 882-67056 Spectrum PTFE In-Line Membrane Filter, Porosity 0.45 um, Diameter 50 mm, Sterile - 10 ea 3603648
Hydrophilic PTFE membrane has good hydrophilicity and is suitable for water system and various organic solvents. It also has characteristics like low solubility, air permeability and water impermeability, large gas flux, good temperature resistance, strong acid, alkali, organic solvent and oxidant resistance, aging resistance, non-adherence, biocompatibility and so on.
Filter Paper Grade 2. Circles: 42.5 mm to 500 mm (available prepleated) Sheets: 460 x 570 mm to 580 x 680 mm. Particle retention 1: 8µm. Nominal thickness: 190 µm. Nominal basis weight: 97 g/m 2. Nominal ash content 2: 0.06%. Grade 2 is slightly more retentive than Grade 1, with an equivalent increase in filtration time.
Syringe Filters Solvent Compatibility Chart 1 Protect any analytical system. 2 Extend LC column lifetime. 3 Achieve more reproducible analyses. 4 Variety of membranes, porosities, and diameters available. 5 Luer lock inlet provides strong, leak-tight syringe connection to withstand
17/2/2020 · The most commonly used syringe filter pore sizes are 0.2/0.22 um and 0.45 um syringe filters, for research and medical applications. The pore size to be used is usually determined by the particle size to be eliminated.
VWR International – Filter papers - a guide www.vwr.com VWR International – Filter papers - a guide 3 Quantitative filter papers – ashless grades (Ash 0.007%) Grade 40: 8 μm The classic general purpose ashless filter paper with medium speed and retention.
Filter membranes for filtering organic solvents and aqueous solutions for HPLC and other analytical methods, and for use in sample preparation, clarification, particulate removal, sampling, filter sterilization, and separation and retentate techniques.
