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Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/B
Filters fine particles with high wet-strength and high loading capacity. Whatman™ Binder-Free Microfiber Filters, Grade GF/B are particularly useful for liquid clarification and liquid scintillation counting.
Thickness (Metric) | 675 μm |
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Flow Rate | 5.5 sec./100mL |
Particle Retention | 1.0 μm |
Type | Filter |
Temperature (English) Max. | 932°F |
Basis Weight | 143 g/m2 |
Format | Disc |
Description | GE’s Whatman brand Grade GF/B is a thick filter with fine particle filter and good loading capacity. GF/B filters are particularly useful for liquid clarification and liquid scintillation counting. |
Thickness (English) | 0.02 in. |
Temperature (Metric) Max | 500°C |
Grade | Grade GF/B |
Material | Borosilicate Glass |
Waterflow Rate | 81 mL/min |
Cytiva Whatman™ Polycap Disposable Capsules, 36 AS
Provides highly effective filtration area in a small size. Whatman™ Polycap Disposable AS Capsules, AS 36 filters large volumes and difficult samples with ease.
Housing Material | Polypropylene (PP) |
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Material (Membrane) | Nylon |
For Use With (Application) | Filtration of aqueous solutions (such as cell culture media, serum enzymes and water) and removal of bacteria and debris. |
Max. Pressure | 4.1 bar (60 psi) |
Filtration Area | 400 cm2 |
Cytiva Whatman™ HEPA-Cap Disposable Air Filtration Capsules
Retains 99.97% of all particles ;≥ 0.3 μm in air and gas streams. Whatman™ HEPA-Cap Disposable Air Filtration Capsules are used throughout the scientific, research and industrial environments in a variety of air and gas filtration applications where high retention, dirt-holding capacity and flow rates are required.
Housing Material | Polypropylene (PP) |
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Material (Membrane) | Polyester-laminated Glass Microfiber |
Autoclavable | Autoclavable |
Max. Pressure | 4.1 bar (60 psi) |
Cytiva Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles
Pleated to save time and achieve optimal fit in conical filter funnels. Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles provide extra surface area to increase total loading capacity.
Thickness (Metric) | 180 μm |
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Pore Size | 4 to 7 μm |
Flow Rate | Medium Fast |
Particle Retention | 7 μm |
Format | Pre-pleated Circle |
Quantity | 100 Pk. |
Grade | Grade 597 ½ |
Material | Cellulose |
Filtration Speed | Approx. 70 s |
For Use With (Application) | A prepleated filter used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis). |
Cytiva Whatman™ PolyVENT™ Vessel Venting Filters
Flows in both directions with hydrophobic PTFE membrane. Whatman™ PolyVENT™ Vessel Venting Filters are integral filter products for sterile venting of vessels and tanks.
Pore Size | 0.2 μm |
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Housing Material | Polypropylene (PP) |
Material (Membrane) | PTFE |
Certifications/Compliance | Biosafe; all materials meet USP Class VI requirements; Manufactured in GMP-controlled cleanroom facilities |
For Use With (Application) | Sterile venting of filling, mixing, holding, autoclave, fermentation, shipping, and dispensing vessels; For isolation of incubators, autoclaves, lyophilizers, EtO sterilizers, and fermenters; For biotech, pharmaceutical and diagnostics, and food and beverage |
Autoclavable | Autoclavable |
Max. Pressure | 2 bar - forward direction (29 psi - forward direction) |
Cytiva Whatman™ Quantitative Filter Paper: Grade 589/1 Circles
Designed for fast filtration of coarse precipitate. Whatman™ Grade 589/1 Quantitatve FIlter Paper Circles support tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs.
Thickness (Metric) | 190 μm |
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Flow Rate | High |
Particle Retention | 12 to 15 μm |
Type | Quantitative Filter Paper |
Format | Disc |
Color Code | Black |
Grade | Grade 589/1 |
Material | Cotton Linters |
Filter Type | Ashless |
Filtration Speed | 25 s |
For Use With (Application) | Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For the filtration of coarse precipitates.For many quantitative standard methods, especially for gravimetric applications (e.g., determination of the ash content |
Fisherbrand™ Disposable PES Bottle Top Filters
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Increase sample protection with Fisherbrand Sterile Disposable Bottle Top Filters with PES Membranes. The polyethersulfone (PES) membranes have low extractables and low protein binding for use in sterile filtration and clarification of cell culture media and serum.
Disposable | Single-use |
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Type | Bottle Top Unit |
Material (Membrane) | PES |
Certifications/Compliance | Non-pyrogenic per USP Standard Lot-to-Lot |
Sterility | Sterile |
Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/C
Combines fine particle retention with good flow rate. Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/C are ideal for the collection of suspended solids in potable water, natural and industrial wastes.
Thickness (Metric) | 260 μm |
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Flow Rate | 10.5 sec./100 mL |
Particle Retention | 1.2 μm |
Temperature (English) Max. | 932°F |
Basis Weight | 53 g/m2 |
Shape | Circle |
Format | Disc |
Description | GE’s Whatman filter paper Grade GF/C glass filters offer a good flow rate and loading capacity that support total suspended solids analysis. |
Thickness (English) | 0.01 in. |
Temperature (Metric) Max | 500°C |
Grade | Grade GF/C |
Material | Borosilicate Glass |
Waterflow Rate | 105 mL/min |
Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Filter Units with PES, CN, SFCA or Nylon Membranes
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Increase filtration efficiency. PES membranes and exclusive Rapid-Flow design provide fast flow rates and high throughput while defending against cell culture contamination.
Disposable | Single-use |
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Type | Filter Unit |
No. per Pack | 12 |
Fit for Purpose | Sterile |
Sterility | Sterile |
Fisherbrand™ Polystyrene Storage Bottles
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Reduce the risk of cross contamination with sterile, disposable polystyrene media bottles. Use with Bottle-Top Filters or as replacement/extra receptacles for Filter Units. Excellent as single-use storage containers.
Type | Receiver Flask |
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Description | Rounded with molded in hand grips |
Material | Polystyrene |
Sterility | Sterile |
Cytiva Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/A
Combines high loading capacity with fine particle retention. Whatman™ Binder-Free Glass Microfiber Filters, Grade GF/A are ideal for gravimetric determination of airborne particulates, stack sampling and absorption methods of air pollution monitoring.
Particle Retention | 1.6 μm |
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Temperature (English) Max. | 932°F |
Shape | Circle |
Description | GE’s Whatman Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications. |
Temperature (Metric) Max | 500°C |
Quantity | 100 Pieces |
Grade | Grade GF/A |
Material | Borosilicate Glass |
For Use With (Application) | Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, foodstuff analyses, protein filtration, and radioimmunoassay of weak β emitters. |
Thickness (Metric) | 260 μm |
Flow Rate | 13 sec./100mL |
Type | Fine Retention Filter |
Format | Disc |
Thickness (English) | 0.01 in. |
Waterflow Rate | 143 mL/min |
Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles
Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.
Thickness (Metric) | 180 μm |
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Flow Rate | 57mL/min. (water) |
Particle Retention | >11 μm |
Basis Weight | 87 g/m2 |
Format | Disc |
Airflow Rate | 13sec./100mL/sq. in. |
Grade | Grade 1 |
Material | Cellulose |
Porosity | Medium |
Filtration Speed | 150 sec. |
For Use With (Application) | A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. |
Thermo Scientific™ Western Blotting Filter Paper, Extra Thick, 20 cm x 20 cm
Pre-cut cotton sheets for wet or semi-dry, passive or electrophoretic transfer of proteins from polyacrylamide gels to PVDF, nitrocellulose, or other membranes.
Thermo Scientific™ Nalgene™ Membrane and Prefilter Disks
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This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Carry out particulate and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.