WHATMAN FILTERS PALL FILTERS

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Whatman Membrane Filters

Pall Filter Membranes

Pall Air Monitor Cassettes, 37mm, Pall Filters

Pall Air Monitor Membrane Filter Cassettes designed to meet NIOSH requirements for industrial hygiene sampling. Pall Air Monitor Membrane Filter Cassettes ideal for general particulate air sampling when fitted with the appropriate membrane or filter. Styrene acrylonitrile housing consists of inlet outlet, and inner ring for open or closed face monitoring.

Pall Biodyne Transfer Membranes, Pall Filters

Pall Biodyne Filter Transfer Membranes provide high sensitivity and low background for enhanced detection and resolution. Pall Biodyne Filter Transfer Membranes will not crack, shrink, or tear when subjected to multiple cycles of hybridization, stripping, and reprobing. Pall Biodyne Filter Transfer Membranes are intrinsically hydrophilic for easy wetting. Pall Biodyne Filter Transfer Membranes resistant to common solvents such as acetone, alcohol, chlorinated aliphatic hydrocarbons, formamide, 2M NaOH, DMSO, and dimethylformamide. Pall Biodyne Filter Transfer Membranes are not compatible with concentrated formic acid (>50%), HCl (>4M), oxidizing agents, and long exposures (days to weeks) to pH <2.

Pall BioTrace NT Nitrocellulose Transfer Membranes, Pall Filters

Pall BioTrace NT Nitrocellulose Transfer Membranes have a high binding affinity (209µg/cm2) and are ideal for Western blot confirmatory tests. Pall BioTrace NT Nitrocellulose Transfer Membranes provides a good binding matrix for macromolecules. Pall BioTrace NT Nitrocellulose Transfer Membranes have a unique structure and lack of growth-inhibiting ingredients facilitate bacterial growth even when the bacteria are stressed by transformation. Pall BioTrace NT Nitrocellulose Transfer Membranes pore size is optimized for maximum performance. Pall BioTrace NT Nitrocellulose Transfer Membranes typical thickness is 140µm.

Pall BioTrace PVDF Transfer Membranes, Pall Filters

Pall BioTrace PVDF Transfer Membranes are ideal for the identification of the immunochemical and structural characteristics of proteins as well as the identification and study of nucleic acids. Pall BioTrace PVDF Transfer Membranes are made of hydrophobic polyvinylidene fluoride membrane. Pall BioTrace PVDF Transfer Membranes has more controlled porous structure for consistent, increased binding and retention of biomolecules. Also Pall BioTrace PVDF Transfer Membranes have a higher mechanical strength for greater ease in handling. Pall BioTrace PVDF Transfer Membranes feature broad compatibility, and minimal background staining for greater band resolution. Pall BioTrace PVDF Transfer Membranes have an increased resistance to a wide range of chemicals. Typical Pall BioTrace PVDF Transfer Membranes thickness is 165µm. Pore size: 0.45µm.

Pall FluoroTrans Transfer Membranes, Pall Filters

Pall FluoroTrans Transfer Filter Membranes ideal for a wide variety of protein-analysis applications, these membranes with 0.2µm pore sizes feature naturally hydrophobic polyvinylidene fluoride filter media. The Pall FluoroTrans Transfer Filter Membranes media are white, microporous solid phase supports that bind proteins tenaciously via hydrophobic interactions. Pall FluoroTrans Transfer Filter Membranes high surface area allows for strong hydrophobic interaction with proteins and typically adsorbs 50% more protein than nylon or nitrocellulose. Pall FluoroTrans Transfer Filter Membranes are resistant to a wide range of chemical solvents (i.e., acetone, DMSO, dimethyl formamide) and will not shrink during destaining with methanol. Pall FluoroTrans Transfer Filter Membranes resistant to trifluoroacetic acid and triethylamine allows direct insertion of Pall FluoroTrans Transfer Filter Membrane materials into amino acid analyzers and gas phase protein sequencing equipment. The FluoroTrans Transfer Filter membrane is optimized for N-terminal protein sequencing and features good signal-to-noise with standard detection systems. Pall FluoroTrans Transfer Filter Membranes immobilized proteins can be used directly for sequencing or visually detected with common staining reagents, including Amido Black, Ponceau S, and colloidal gold. The Pall FluoroTrans Transfer Filter W membrane is optimized for Western transfer applications but can also be used for Southern transfers. This Pall FluoroTrans Transfer Filter Membrane allows for sensitive protein detection with low background and very low protein burn-through. Pall FluoroTrans Transfer Filter Membranes immobilized proteins can be visually detected with Coomassie blue, Amido Black, Ponceau S, and colloidal gold.

Pall FP Vericel PVDF Membrane Filters, Pall Filters

Pall Vericel Membrane Filters useful for HPLC sample preparation, mobile phase filtration/degassing, and solvent filtration. Pall Vericel Membrane Filters HPLC certified for low levels of UV-absorbing extractables. Pall Vericel Membrane Filters hydrophilic polyvinylidene fluoride membrane requires no prewetting for aqueous filtration. Pall Vericel Membrane Filters have a plain white surface. Pall Vericel Membrane Filters are autoclavable. Pall Vericel Membrane Filters offers excellent chemical compatibility, even with aggressive acids and alcohols. Pall Vericel Membrane Filters are not recommended for acetone, DMF, DMSO, or bases >6N.

Pall GH Polypro (GHP) Membrane Disc Filters, Pall Filters

All-purpose Pall Polypro Membrane Disc Filters, universal hydrophilic polypropylene membrane with maximum chemical compatibility when filtering both aqueous solutions and aggressive solvents. Pall Polypro Membrane Disc Filters low protein binding of GH Polypro membrane provides high recovery of critical proteinaceous samples. Pall Polypro Membrane Disc Filters HPLC certified to assure that the filter will not add artifacts to your analysis.

Pall GN Metricel Membrane Disc Filters, Pall Filters

Pall GN Metricel Membrane Disc Filters are certified for the microbiological analysis of potable, waste, process, and natural waters in accordance with the Membrane Filter Technique referenced in Standard Methods for the Examination of Water and Wastewater. Pall GN Metricel Membrane Disc Filters ideal for isolation and enumeration of total and fecal coliforms, E. coli, fecal Streptococcus, fungi, and other heterotrophic bacteria. Pall GN Metricel Membrane Disc Filters are suitable for air monitoring applications and meets NIOSH requirements for airborne metals and asbestos monitoring. Pall GN-6 and Pall GN-4 Metricel membrane filters are made of mixed cellulose esters. Pall GN-6 grids have a unique dot grid pattern that provides easy quantification of bacterial colonies without growth inhibition or enhancement. Pall GN-4 membranes dissolve completely using standard digestion procedures, and clear completely for minimal interference in fiber counting. Pall GN Metricel Membrane Disc Filters autoclavable.

Pall HT Tuffryn Membrane Disc Filters, Pall Filters

Pall HT Tuffryn Membrane Disc Filters are excellent for sterilization of culture media and other aqueous solutions where protein binding must be minimized. Pall HT Tuffryn Membrane Disc Filter hydrophilic polysulfone membrane is extremely low protein binding. Pall HT Tuffryn Membrane Disc Filters can be sterilized together with glassware and other utensils in the same dry heat or autoclave cycle. Pall HT Tuffryn Membrane Disc Filters have a plain surface.

Pall I.C.E. 450 Ion Exchange Membrane Disc Filters, Pall Filters

Pall Ion Exchange Membrane Disc Filters hydrophilic microporous 47mm diameter membrane filters have a strongly acidic, negatively-charged polysulfone filter media and excellent mechanical wet strength. Pall Ion Exchange Membrane Disc Filters are suitable for trace metal analysis of power plant cooling water and boiler feed water. Pall Ion Exchange Membrane Disc Filters capacity is provided by a proprietary post-treatment process.

Pall Membrane Disc Filters, GLA-5000, Pall Filters

Pall GLA-5000 Membrane Disc Filters ideal for sampling airborne metals, silica, and dust. Pall GLA-5000 Membrane Disc Filters polyvinyl chloride (PVC) membranes resist acids and alkalis. Pall GLA-5000 Membrane Disc Filters low ash content, moisture pick-up, and tare weight make membranes well suited for gravimetric analysis of airborne particulates. Pall GLA-5000 Membrane Disc Filters pore size: 5µm. Pall GLA-5000 Membrane Disc Filters meets NIOSH and OSHA requirements.

Pall Metricel Polypropylene Membrane Disc Filters, Pall Filters

Pall Metricel Polypropylene Membrane Disc Filters pure polypropylene membranes for filtration of aggressive solvents. Pall Metricel Polypropylene Membrane Disc Filters offer high temperature resistance and low extractable levels. Pall Metricel Polypropylene Membrane Disc Filters inherently hydrophobic, making them ideal vent filters. Pall Metricel Polypropylene Membrane Disc Filters pore size: 0.1µm. Pall Metricel Polypropylene Membrane Disc Filters autoclavable.

Pall Metrigard Filters, Pall Filters

Pall Metrigard Filter this depth-type filter medium is useful in a variety of general filtration applications, including replacement of asbestos filter pads. Pall Metrigard Filters is made of finer glass fiber than standard prefilters, with 5% acrylic binder. Pall Metrigard Filters liquid nominal rating: 0.5µm.

Pall Pallflex Emfab Filters, Pall Filters

Pall Pallflex Emfab Filters are ideal for diesel exhaust and stack emission testing. Pall Pallflex Emfab Filters consist of pure borosilicate glass microfibers reinforced with woven glass cloth and bonded with PTFE. These Pall Pallflex Emfab Filters feature low air resistance for use in critical aerosol sampling tests that demand filter purity and nonhygroscopic properties, such as diesel exhaust, stack emission control, and ambient air monitoring for particulate concentration. Every Pall Pallflex Emfab Filters is flushed with deionized water to remove water-soluble residue. The Pall Pallflex Emfab Filters also withstand folding for weighing and transport.

Pall Pallflex Tissuquartz and Non-Heat Treated Quartz Filters, Pall Filters

Pall Pallflex Tissuquartz Non-Heat Treated Quartz Filters are uniquely designed for air monitoring in high temperatures and aggressive atmospheres. Pall Pallflex Tissuquartz Non-Heat Treated Quartz Filters are used for analysis of acidic gases and stack sampling aerosols. Pall Pallflex Tissuquartz Non-Heat Treated Quartz Filters undergo an ultra-pure soft water processing to reduce the residual ion content. Pall Pallflex Tissuquartz Non-Heat Treated Quartz Filters are heat treated to reduce trace organics and ensure superior chemical purity.

Pall Polypropylene Separator Depth Filters, Pall Filter Membranes

Pall Polypropylene Separator Depth Filters virtually inert to chemical and biological agents, these Pall Polypropylene Separator Depth Filters withstand filtrates such as nitrazine, nitrous oxide, concentrated acids or alkalis, and oxidizers. Pall Polypropylene Separator Depth Filters create a channeling effect for the liquid, thereby increasing overall filter flow rate. Pall Polypropylene Separator Depth Filters pore size: 10µm. Pall Polypropylene Separator Depth Filters maximum operating temperature: 107°C. Pall Polypropylene Separator Depth Filters autoclavable.

Pall Quality Monitor Membrane Filters, 37 mm, Pall Filters

Pall Quality Monitor Membrane Filters disposable filter units monitor process water systems for the recovery of microorganisms and particulate contamination in aqueous samples. Pall Quality Monitor Membrane Filters are self-contained, portable units allow for culturing without removing membrane from the monitor. Pall Quality Monitor Membrane Filters the disposable design eliminates the cleaning and sterilizing procedures required of reusable monitors. Pall Quality Monitor Membrane Filters come with white GN-6 Metricel (mixed cellulose ester) gridded membrane or Metricel Black (modified polyethersulfone) gridded membrane. Pall Quality Monitor Membrane Filters include cellulose support pad, housing, and inlet/outlet plugs. Pall Quality Monitor Membrane Filters bulk packed. Pall Quality Monitor Membrane Filters EtO exposed.

Pall Supor Membrane Disc Filters, Pall Filters

Pall Supor Membrane Disc Filters ideal for biological, pharmaceutical, and sterilizing filtration requirements. Pall Supor Membrane Disc Filters hydrophilic polyethersulfone membranes offer higher fluid flow rates, lower protein binding, lower extractables, and greater strength than other cellulosic (acetate, nitrate) membranes. Pall Supor Membrane Disc Filters provide some of the highest water flow rates and fluid filtration capacities of any sterilizing grade membrane filter.

Pall Teflo Air Sampling Membranes, PTFE, Pall Filters

Pall Teflo Air Sampling Membranes are strong, chemically resistant PTFE membranes have unique PMP (polymethylpentene) support ring for PM10 and PM2.5 dichotomous and other air sampling techniques. Pall Teflo Air Sampling Membranes offer increased durability for hostile testing environments or acid aerosol monitoring.

Pall TF (PTFE) Membrane Disc Filters, Pall Filters

TF (PTFE) Membrane Disc Filters are excellent for air and gas filtration, and for venting applications. Highly resistant to chemical attack. HPLC certified for use in nonaqueous mobile phase filtration and degassing. Hydrophobic PTFE on a polypropylene support.

Pall Ultrafiltration Membrane Disc Filters, Pall Filters

Pall Ultrafiltration Membrane Disc Filters are replacement membranes for conventional, nondisposable stirred cell systems. Pall Ultrafiltration Membrane Disc Filters used for concentration, fractionation, purification, buffer exchange, or desalting of protein, cell broths, and other biomolecules. Pall Ultrafiltration Membrane Disc Filters also for bench or pilot separations prior to scale-up. Pall Ultrafiltration Membrane Disc Filters available in a broad range of membrane diameters to fit various sizes. Omega membrane discs provide unmatched high flow rates and recoveries, and can be washed and reused as many as 20 times. Pall Ultrafiltration Membrane Disc Filters nonsterile. Pall Ultrafiltration Membrane Disc Filters may be sanitized using 70% ethanol or 200ppm sodium hypochlorite.

Whatman Filters, Glass Fiber

GLASS FIBER PALL FILTERS

Pall Binder-Free Glass Fiber Filters, Pall Filters

Pall Binder-Free Glass Fiber Filters superior grade glass fiber filters for a variety of air sampling and liquid filtration methods. Pall Binder-Free Glass Fiber Filters type A/B is designed for diagnostic applications, gravimetric analysis, and sample filtration. Use Pall Binder-Free Glass Fiber Filters type A/C for cell harvesting, prefiltration, and solids testing. Pall Binder-Free Glass Fiber Filters type A/D makes an excellent prefilter for solutions with a heavy load of large-sized particulate. Pall Binder-Free Glass Fiber Filters manufactured with high-quality borosilicate glass microfibers without binder for assurance of purity. Pall Binder-Free Glass Fiber Filters have excellent wet strength for ease of handling and filter integrity.

Pall Glass Fiber Filters Extra Thick, Pall Filters

Pall Glass Fiber Filters Extra Thick have a high contaminant-holding capacity which makes these filters efficient as depth filters and useful for prefiltration of viscous biological solutions. Pall Glass Fiber Filters Extra Thick are three times thicker than type A/E filters, with greater contaminant holding capacity. Pall Glass Fiber Filters Extra Thick are useful for prefiltration of viscous biological solutions. Pall Glass Fiber Filters Extra Thick contain 5% acrylic binder for additional wet strength.

Pall Glass Fiber Filters Type A/E, Pall Filters

Pall Glass Fiber Filters Type A/E is ideal for gravimetric analysis of air pollutants and as prefilters for use upstream of membrane filters. Pall Glass Fiber Filters Type A/E standard filter for dissolved and suspended solids testing in sanitary water analysis procedures. Pall Glass Fiber Filters Type A/E binder-free and organic-free. Pall Glass Fiber Filters Type A/E DOP efficiency is 99.98% (0.3µm). Pall Glass Fiber Filters Type A/E maximum operating temperature in air: 550°C (1022°F).

Pall Pallflex Emfab Filters, Pall Filters

Pall Pallflex Emfab Filters are ideal for diesel exhaust and stack emission testing. Pall Pallflex Emfab Filters consist of pure borosilicate glass microfibers reinforced with woven glass cloth and bonded with PTFE. These Pall Pallflex Emfab Filters feature low air resistance for use in critical aerosol sampling tests that demand filter purity and nonhygroscopic properties, such as diesel exhaust, stack emission control, and ambient air monitoring for particulate concentration. Every Pall Pallflex Emfab Filters is flushed with deionized water to remove water-soluble residue. The Pall Pallflex Emfab Filters also withstand folding for weighing and transport.

Pall Pallflex Fiberfilm Filters, Pall Filters

Pall Pallflex Fiberfilm Filters are suitable for high temperature and hot gas air monitoring applications. Pall Pallflex Fiberfilm Filters consist of heat-resistant, pure borosilicate glass fibers with moisture-resistant fluorocarbon (tetrafluoroethylene, TFE) coating. Pall Pallflex Fiberfilm Filters during air sampling, moisture variations in air or gases will not cause chemical reactions on the filter. These Pall Pallflex Fiberfilm Filters also feature low air resistance, and a low moisture pickup which eliminates lengthy desiccations.

Pall TCLP Glass Fiber Filters, Pall Filters

Pall TCLP Glass Fiber Filters for use in US EPA Method 1311 Toxicity Characteristics Leaching Procedure. Also Pall TCLP Glass Fiber Filters used in Zero Headspace Extractors for volatile analysis and hazardous waste filtration units for nonvolatiles and semi-volatiles. Pall TCLP Glass Fiber Filters dade of binder-free borosilicate glass fibers to meet nominal 0.6 to 0.8µm pore size requirements. Pall TCLP Glass Fiber Filters have no added extractables to contaminate sample.

Whatman Shark Skin Filter Paper

WHATMAN FILTER PAPER