Filtration Membrane Discs
Filtration Membrane Discs
Thin, precut membrane rounds for high-throughput, fast filtration of liquid and gas samples. Gridded and non-gridded discs. Various materials including mixed cellulose ester, polycarbonate, PTFE, nylon, and PVDF. For air monitoring/analytical research.
Sizes
Filter membranes are made in a range of diameters, typically designed to fit a specific holder or manifold.
Materials
Filter membrane can be made from cellulose, mixed cellulose esters (MCE), polyvinylidene fluoride (PVDF), polyethersulfone (PES), polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE), nylon, polycarbonate (PC), polyester, polyethylene terephthalate (PET), and polypropylene (PP). Other membrane materials include aluminum oxide, gelatin, porcelain, and glass.
Pore Size
The size of membrane pores determines which particles will be retained by the filter. A pore size of 0.2 µm is small enough to remove microbes from solutions; a 0.45 µm ore size can remove larger particulates.
Color and Grids
White membrane filters may be plain or marked with square grids (outlined in black) that can help with enumerating particles. Gridded or plain black membrane filters may be helpful when filtering light-colored particulates.
Sterility
Filter membranes may be pre-sterilized or may be sterilized using ethylene oxide, gamma irradiation, or autoclaves. The need for sterility is determined by the application, which are many and varied:
- Light microscopy samples
- Cytology sample preparation
- Electron microscopy samples
- Air quality and other environmental monitoring
- Water analysis and water quality testing
- Microbiology colony counting and quality control
- Chemotaxis
- Sterile preparation of buffers, tissue culture media, microbiological media, and other biological fluids
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Filtered Search Results
Sartorius Cellulose Acetate Membrane Filters
Combines high flow rates and thermal stability with very low adsorption characteristics. Sartorius Cellulose Acetate Membrane Filters are excellently suited for use in pressure filtration devices. Non-sterile filters in a variety of diameters and pore sizes are bulk-packed to save money and space.
Thickness (Metric) | 120 μm |
---|---|
Color | White |
Material | Cellulose Acetate |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For use in pressure filtration devices; Sterile filtration of solution. |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Fisherbrand™ Mixed Celluloses Esters Membranes Non-sterile Filter
Fisherbrand™ Mixed Celluloses Esters Membranes Non-sterile Filters are composed of cellulose acetate and cellulose nitrate.
Wettability | Yes |
---|---|
Type | Plain Disc |
Color | White |
Quantity | 100 Pack |
Material | MCE |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Microdialysis of DNA and Proteins, clarification of aqueous solutions during microbiological analysis, identification of Nucleic Acids |
Sterility | Non-sterile |
Cytiva Whatman™ Nylon Membranes
Flexible and durable for easier handling. Cytiva Nylon Membranes are naturally hydrophilic, eliminating need for wetting agents and prewetting when filtering aqueous solutions.
Material | Nylon |
---|---|
Hydrophobicity | Hydrophilic |
Autoclavable | Autoclavable |
Fisherbrand™ Mixed Cellulose Ester Membranes Sterile Filter
Fisherbrand™ Mixed Celluloses Esters Membranes Sterile Filters are composed of cellulose acetate and cellulose nitrate.
Wettability | Yes |
---|---|
Type | Gridded Disc |
Diameter (Metric) | 47 mm |
Quantity | 100 Pack |
Material | MCE |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Microdialysis of DNA and Proteins, clarification of aqueous solutions during microbiological analysis, identification of Nucleic Acids |
Sterility | Sterile |
Fisherbrand™ Nylon Membrane Filter
Naturally hydrophilic membrane designed to wet out evenly and retain its superior strength during use in general filtration or medical assays.
Wettability | Yes |
---|---|
Type | Plain Disc |
Color | White |
Quantity | 100 Pack |
Material | Nylon |
Filter Type | Microfilter |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Sterilizing filtration of aqueous solutions, organic solvents, Bacterial and particles removal (blood Glucose, Serum Cholesterol, drugs) |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Kartell™ Polyethylene Disc Membrane
These discs are made of polyethylene and have good chemical resistance. Kartell™ Polyethylene Disc Membrane is used to separate the filter paper from the funnel plate when working with a Buchner Funnel.
Pore Size | 300 μm |
---|---|
Description | Disc Membrane |
Material (Membrane) | Polyethylene |
Material | Polyethylene |
Filter Type | Disc Membrane |
No. per Pack | 10/Pack |
For Use With (Application) | Interface between filter paper and perforated Buchner plate |
Merck MF-Millipore™ Membrane Filter, 0.025 μm
13 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic
Thickness (Metric) | 105 μm |
---|---|
Pore Size | 0.025 μm |
Flow Rate | 0.15 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
Material | MCE |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Merck Fluoropore™ Membrane Filters, 0.5 μm
Hydrophobic membrane with laminated backing for easier handling
Pore Size | 0.45 μm |
---|---|
Bubble Point | 7 psi |
Flow Rate | 60 mL/min x cm2 |
Wettability | Hydrophobic |
Type | Filter Membranes |
Color | White |
Material | PTFE |
Hydrophobicity | Hydrophobic |
For Use With (Application) | Clarification of Acids, Bases and Solvents; Clarification of Alcohol Solutions; UV Spectroscopy. |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Gas Flow Rate | 8.0 L/min/cm2 |
Pore Size | 5 μm |
---|---|
Bubble Point | ≥0.2 bar, air with water |
Flow Rate | >15.4 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
No. per Case | 100Pack |
Quantity | 100/Pk. |
Material | PVDF |
Filter Type | Screen Filter |
Hydrophobicity | Hydrophilic |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Sartorius™ 11302 Series Non-Sterile Cellulose Nitrate (CN) Membrane Filters
11302 Series Non-Sterile Cellulose Nitrate (CN) Membrane Filters are hydrophilic, have high flow rates thanks to their symmetrical structure, and are compatible with aqueous solutions (pH 4 – 8), hydrocarbons, and several other organic solvents.
Thickness (Metric) | 130 μm |
---|---|
Pore Size | 3 μm |
Bubble Point | 0.5bar |
Flow Rate | 430mL/min./cm2/bar |
Type | Membrane Filter |
Material (Membrane) | Cellulose Nitrate |
Color | White |
Material | Cellulose Nitrate |
Filter Type | Membrane Filter |
For Use With (Application) | For many general laboratory applications where a membrane with a high non-specific adsorption is suitable |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Fisherbrand™ Polyethersulfone Membranes
Fisherbrand™ Polyethersulfone Membranes features highly asymmetrical pore structure that offers effective loading capacity and high flow rate.
Wettability | Yes |
---|---|
Type | Plain Disc |
Color | White |
Quantity | 100 Pack |
Material | PES |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Filtration of special chemical reagent, high temperature liquids, filtration of special chemical reagent, high temperature liquids, filtration of drugs |
Sterility | Non-sterile |
Robu™ Series 15 Filter Discs
Robu™ Series 15 Filter Discs feature a unique porous structure, which make them flexible and incredibly versatile for a variety of applications.
Type | Filter Disc |
---|---|
Shape | Cylindrical |
Description | Untreated surface |
Material | Glass |
Cytiva Whatman™ Polyester Drain Discs
Provides a flat surface to eliminate filter tearing or rupturing. Whatman™ Polyester Drain Discs are used to support membrane filters. They are available in a variety of diameters for use in a range of devices.
Thickness (Metric) | 100 μm |
---|---|
Material | Polyester |
Cytiva Whatman™ WTP Range PTFE Membranes
Suited for applications involving aggressive organic solvents, strong acids, and alkalis due to being chemically stable and inert. Whatman™ WTP Range PTFE Membranes are particularly suitable for preparing samples for HPLC analysis, air and gas sterilization.
Quantity | 100 Pack |
---|---|
Material | PTFE |
Hydrophobicity | Hydrophobic |
Membrane Type | WTP |