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Cytiva Whatman™ Qualitative Filter Paper: Grade 595 ½ Pleated Circles
Pleated to save time and achieve optimal fit in conical filter funnels. Whatman™ Qualitative Filter Paper: Grade 595 ½ Pleated Circles provide extra surface area to increase total loading capacity.
Thickness (Metric) | 150 μm |
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Pore Size | 7 μm |
Flow Rate | Medium fast |
Particle Retention | 7 μm |
Format | Pleated Circle |
Quantity | 100 Pack |
Grade | Grade 595 ½ |
Material | Cellulose |
Filtration Speed | Approx. 80 s |
For Use With (Application) | A prepleated filter used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids from digested environmental samples, e.g., for ICP/AAS analysis). |
Cytiva Whatman™ Grade 556 Drypads
Absorbent paper strips for removal of excess liquids
Kartell™ Polypropylene Funnel Holders
Manufactured from polypropylene for durability and strength. Kartell™ Polypropylene Funnel Holders support a variety of funnel types and sizes.
No. of Positions | One |
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Quantity | 1 Each |
Material | Polypropylene |
Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Filter Units with PES, CN, SFCA or Nylon Membranes
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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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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 |
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. |
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™ Grade 54 Quantitative Filter Paper
Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.
Thickness (Metric) | 185 μm |
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Pore Size | 22 μm |
Flow Rate | Fast |
Particle Retention | 22 μm |
Type | Hardened Low Ash |
Airflow Rate | 3 s/100 mL/in2 |
Grade | Grade 54 |
Material | Cotton Linters |
Porosity | Coarse |
Filtration Speed | ASTM, 10 seconds; Herzberg, 39 seconds |
Thermo Scientific™ Filtration Hardware, Accessories, and Spare Parts
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
Learn More About the Greener Choice Program
This product offers one or more environmental benefits itemized in the U.S. FTC Green Guides.
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Designed for use in a wide range of applications, Thermo Scientific™ Nalgene™ filtration hardware and accessories can be used in conjunction with our various lines of filtration devices.
Cytiva Whatman™ 1PS Disposable Phase Separating Paper
Creates a hydrophobic filter that can replace separatory funnel in some applications. Whatman™ 1PS Disposable Phase Separating Paper is impregnated with stable silicone to allow solvent phases to pass through while retaining aqueous phases.
Type | Separator Paper |
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Material | Fiberglass/Silicone |
For Use With (Application) | Liquid phase separation |
Sartorius Cellulose Nitrate Membrane Filters
Combines uniform pore structure with high flow and adsorption rates. Sartorius Cellulose Nitrate Membrane Filters are excellently suited for diagnostic kits. Non-sterile, hydrophilic filters in a variety of diameters and pore sizes are bulk-packed to save money and space.
Thickness (Metric) | 130 μm |
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Color | White |
Material | Cellulose Nitrate |
Hydrophobicity | Hydrophilic |
Autoclavable | Autoclavable (Wet) |
Sartorius Syringe Filter Holders
Achieve leak-free filtration up to 7bar. Sartorius In-Line Filter Holders are inexpensive, reusable holders made of clear polycarbonate with silicone gaskets. Auclavable units are available for 25mm and 13mm syringe filters.
Connectors | Female luer lock inlet, luer slip outlet |
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Type | Syringe Filter Holder |
Temperature (English) Max. | 249°F |
Temperature (Metric) Max | 121°C |
Color | Clear |
Quantity | 12 Pack |
Material | Polycarbonate with Silicone Gasket |
Max. Pressure | 7bar (101.5psi) |
Cytiva Whatman™ Quantitative Filter Papers: Grade 542 Circles
Enables high retention of fine particles in chemically harsh conditions. Whatman™ Quantitative Filter Papers: Grade 542 Circles are well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.
Thickness (Metric) | 150 μm |
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Particle Retention | 2.7 μm |
Type | Hardened Ashless |
Format | Disc |
Airflow Rate | 64 s/100 mL/in2 |
Quantity | 100/Pk. |
Grade | Grade 542 |
Material | Cotton Linters |
Porosity | Fine |
Filtration Speed | ASTM, 250 seconds; Herzberg, 2510 seconds |
For Use With (Application) | Used in gravimetric metal determinations. |
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 |
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™ 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 |
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Hydrophobicity | Hydrophilic |
Autoclavable | Autoclavable |