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Acrodisc® Syringe Filters with PTFE Membrane - Pall Corporation The Acrodisc® syringe filter featuring a 0.2 µm PTFE membrane, prevents air bubble locks when filling sample vials. Purchase online - syringe filters with a filtration area of 1.0 cm², hold-up volume less than 14 µL and a 13 mm minispike outlet.
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Pall Life Sciences GHP Nanosep MF Centrifugal Devices, HPLC The GH Polypro (GHP) hydrophilic polypropylene membrane offers maximum chemical compatibility. GHP membrane offers low protein binding (96.5% recovery), and low extractables. Devices can be spun at 14,000g with leak-free operation. This is only for Pall Life Sciences, Model ODGHPC34.
membrane filter to prevent rapid plugging or use a 2-in-1 filter that has a built-in pre-filter in a single housing. 3. Choose the membrane type based on the solvent that you want to filter. Filter Types All filter inlets are female Luer-compatible, have inert polypropylene or polycarbonate housings and come in four diameters. 30 mm filters
Another aspect of choosing the right filter size is the hold-up volume. This is the volume of liquid remaining in the filter after use. A filter with a low hold-up volume is recommended for use with expensive fluids or those with limited availability. Here are examples of the hold-up volumes of Pall’s non-sterile syringe filter range:
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Pall Life Sciences® 4560 Acrodisc® Syringe Filters 25mm with Pore size of 0.45 µm with typical hold-up volume of \<100µl; Made with GHP (hydrophilic polypropylene) membrane for low protein binding; Features a polypropylene housing with female Luer-lock inlet and standard male slip Luer outlet connections; GHP membrane is HPLC certified for low levels of UV-absorbing extractables; 50/Pack, 4 Packs/Case
Lower transmembrane pressure (in the case of centrifugal concentrators, lower g-force). Adsorption to the membrane or device. Low temperature (4 °C versus 24 °C). Table 2 MWCO Selection for Protein Applications Membrane Nominal Biomolecule Biomolecule MWCO Pore Size* Size Molecular Weight 3K ––10K - 20K 5K ––15K - 30K 10K ––30K - 90K
The 25 mm Acrodisc is recommended for sample volumes from 5 to 100 mL. The 13 mm size is recommended for samples under 10 mL in volume. The 4 mm size is for samples under 2 mL. PP housing with Luer fittings. GHP - hydrophilic PP membrane suitable for both aqueous and organic samples; GXF - multi-layered glass fiber prefilter
Typical hold-up volume: \<100µL. Pall Life Sciences #: 4560. This syringe filter is made with GHP (hydrophilic polypropylene) membrane for low protein binding and features a polypropylene housing with female Luer-lock inlet and standard male slip Luer outlet connections. The membrane is HPLC certified for low levels of UV-absorbing extractables.
The GH Polypro hydrophilic polypropylene membrane is ideal for aqueous solutions and offers maximum chemical compatibility for aggressive solvents. 96.5% protein recovery. GH Polypro membrane is a low protein binding membrane. It removes unwanted particulate from samples with high recovery of critical proteins.
The minispike allows for easy handing with a HPLC vial, and also offers a reduced hold-up volume, ensuring maximum filtrate recovery. Pall’s 25 mm Acrodisc PSF syringe filters are ideal for High Performance Liquid Chromatography (HPLC) and UHPLC sample processing and clarification.
and sterilizing filtration requirements. Supor membrane is low protein binding so it is an excellent choice for sample recovery. Supor membranes have extensive drug and chemical compatibility, making it ideal for many different applications. Characteristics of the Supor membrane include: • Fast filtration with superior flow rates • High
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