Filters and Filtration
Filters and Filtration
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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™ Binder-Free Glass Microfiber Filters GF/F Circles
Served as the basis filter for EPA standard for the toxicity characteristic leaching procedure. Whatman™ Binder-Free Glass Microfiber Filters GF/F Circles offers an extremely high loading capacity and flow rate.
Particle Retention | 0.7 μm |
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Temperature (English) Max. | 932°F |
Shape | Circle |
Description | Whatman Grade GF/F filter from Cytiva's business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate. |
Temperature (Metric) Max | 500°C |
Grade | Grade GF/F |
Material | Borosilicate Glass |
For Use With (Application) | Recommended for DNA binding and purification.Very effective in filtering finely precipitated proteins.Can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely ‘difficult’ biochemical solutions and fluids and nucl |
Thickness (Metric) | 420 μm |
Flow Rate | 19 sec./100mL/in.2 |
Type | Filter for TCLP Test Use |
Format | Disc |
Thickness (English) | 0.016 in. |
Autoclavable | Autoclavable |
Waterflow Rate | 41 mL/min |
Cytiva Whatman™ Type WCN Cellulose Nitrate Membranes
Recommended for majority of routine applications, this membrane is manufactured under strictly controlled conditions. Whatman™ Type WCN Cellulose Nitrate Membranes narrow pore size distribution for improved surface capture and analysis.
Color | White |
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Material | Cellulose Nitrate |
Autoclavable | Autoclavable |
Cytiva Whatman™ Grade 597 Qualitative Filter Circles
Filters carbon dioxide and turbidity during beverage analysis. Whatman™ Grade 597 Qualitative Filter Circles may also be used to determine fat content in food analysis.
Thickness (Metric) | 180 μm |
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Pore Size | 4 to 7 μm |
Flow Rate | Medium Fast |
Particle Retention | 7 μm |
Format | Disc |
Grade | Grade 597 |
Material | Cellulose |
Filtration Speed | Approx. 140 s |
For Use With (Application) | A standard grade 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™ 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 |
Thickness (Metric) | 420 μm |
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Particle Retention | 0.7 μm |
Type | TCLP Limits Test Filter |
Shape | Circle |
Format | Disc |
Description | GE’s Whatman TCLP test filters are acid-treated with low metal content. They support TCLP testing by providing accurate information about TCLP limits to ensure the best possible disposal plan can be put into action. |
Material | Borosilicate Glass |
Waterflow Rate | 60 mL/min |
Thickness (Metric) | 435 μm |
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Flow Rate | 47 sec./100mL |
Particle Retention | 1.5 μm |
Type | RTU Filter for Total Suspended Solids Analysis |
Temperature (English) Max. | 1022°F |
Description | Our Whatman glass microfiber filter papers in grade 934-AH RTU have been pre-washed, dried (or ignited), cooled, desiccated and weighed, which eliminates the pre-treating steps that are otherwise required by the US EPA Laboratory Standard Method 2540 part |
Thickness (English) | 0.017 in. |
Temperature (Metric) Max | 550°C |
Quantity | 100 pieces |
Grade | 934-AH RTU |
Material | Borosilicate Glass |
For Use With (Application) | Monitoring of rivers, lakes and coastal waters |
Waterflow Rate | 341 mL/min |
Cytiva Whatman™ Qualitative Filter Paper: Grade 4 Circles
Filters and retains coarse particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Thickness (Metric) | 210 μm |
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Pore Size | 20 to 25 μm |
Flow Rate | Fast |
Particle Retention | Coarse particles and gelatinous precipitates |
Format | Disc |
Grade | Grade 4 |
Material | Cellulose |
Porosity | Medium |
Filtration Speed | 37 sec. |
Diameter (Metric) | 50 mm |
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Inlet Style | Stepped Barb (1/4 to 3/8 in.) |
Housing Material | Polypropylene (PP) |
Material (Membrane) | Polypropylene |
Volume (Metric) | Up to 1000 mL |
Quantity | 10 |
No. per Pack | 10 Pieces |
Filtration Area | 20.4 cm2 |
Cytiva Whatman™ Polycap™ Disposable Capsules, 36 TF
Manufactured with rugged PTFE membrane and polypropylene housing. Whatman™ Polycap™ Disposable Capsules, 36 TF filters organic and aggressive solutions, air and gas.
Housing Material | Polypropylene (PP) |
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Material (Membrane) | PTFE |
For Use With (Application) | Filtration of organic solutions, aggressive solutions, air and gas; also can be used as vent. |
Autoclavable | Autoclavable |
Filtration Area | 500 cm2 |
Cytiva Whatman™ Polycap Disposable Capsules: 75TC
Polycap TC filters for sterile filtration of biological and tissue culture aqueous solutions
Housing Material | Polypropylene (PP) |
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Material (Membrane) | PES |
For Use With (Application) | Sterile filtration of biological and tissue culture solutions. Principally for aqueous solutions. |
Sterility | Sterile |
Max. Pressure | 4.1 bar (60 psi) |
Filtration Area | 930 cm2 |
Cytiva Whatman™ Reeve Angel 230 Creped Qualitative Circles
Provide reliable performance for non-critical industrial laboratory and student lab applications
Thickness (Metric) | 0.4 mm |
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Particle Retention | 25 to 30 μm |
Format | Disc |
Grade | 230 |
Material | Cellulose |
Porosity | Coarse |
Cytiva Grade 802 Qualitative Filter Papers
Offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates. Whatman™ Grade 802 Qualitative Filter Papers are prepleated, wet-strengthened filters for use with a conical filter funnel in routine, repetitive qualitative applications.
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. |