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
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 |
Thermo Scientific™ Nalgene™ Membrane and Prefilter Disks
Carry out particulate and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.
Merck Omnipore™ Membrane Filters, 5 μm
Hydrophilic PTFE polymer membrane filter compatible with virtually all solvents, acids, and alkaline solutions. Omnipore™ Membrane Filters are biologically and chemically inert.
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 |
Thickness (Metric) | 135 μm |
---|---|
Pore Size | 5 μm |
Bubble Point | ≥0.42 bar, air with water |
Flow Rate | 580 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
Color | White |
Material | MCE |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Membrane Type | Plain |
Gas Flow Rate | 32 L/min/ cm2 |
Cole Parmer™ Nylon Membranes
Ideal for filtering or sterilizing nonprotein-containing biological solutions.
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 |
Pore Size | 0.45 μm |
---|---|
Bubble Point | 35.5 psi |
Flow Rate | 60 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
No. per Case | 100Pack |
Quantity | 100/Pk. |
Material | Nylon |
Filter Type | Screen Filter |
Hydrophobicity | Hydrophilic |
For Use With (Application) | Clarifying aqueous or organic solutions prior to HPLC analysis. |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Pore Size | 0.45 μm |
---|---|
Type | Filter Membranes |
Color | White |
Material | PVDF |
Filter Type | Screen Filter |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Merck MF-Millipore™ Membrane Filter, 0.8 μm, Gridded
Mixed cellulose esters (MCE) membrane, hydrophilic
Thickness (Metric) | 150 μm |
---|---|
Pore Size | 0.8 μm |
Flow Rate | 190 mL/min x cm2 |
Wettability | Hydrophilic |
Type | Filter Membranes |
No. per Case | 100Pack |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |
Merck Omnipore™ Membrane Filters, 5 μm
Hydrophilic PTFE polymer membrane filter compatible with virtually all solvents, acids, and alkaline solutions. Omnipore™ Membrane Filters are biologically and chemically inert.
Merck Omnipore™ Membrane Filters, 5 μm
Hydrophilic PTFE polymer membrane filter compatible with virtually all solvents, acids, and alkaline solutions. Omnipore™ Membrane Filters are biologically and chemically inert.
Merck Omnipore™ Membrane Filters, 5 μm
Hydrophilic PTFE polymer membrane filter compatible with virtually all solvents, acids, and alkaline solutions. Omnipore™ Membrane Filters are biologically and chemically inert.
Merck Fluoropore™ Membrane Filters, 1 μm
Hydrophobic membrane with laminated backing for easier handling
Pore Size | 1.0 μm |
---|---|
Wettability | Hydrophobic |
Type | Filter Membranes |
Color | White |
Material | PTFE |
Filter Type | Screen Filter |
Hydrophobicity | Hydrophobic |
Autoclavable | Not Autoclavable |
Sterility | Non-sterile |