15 Best and Coolest Whatmen for 2019

 

Whatman 1001-070 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 70mm Diameter Pack of 100 #ad

Whatman 1001-070 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 70mm Diameter (Pack of 100)

Whatman 1001-070 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 70mm Diameter (Pack of 100) #ad - In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. 0cm. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Diameter 7. 100/pack. Retention 11µm. In agriculture, it is used for soil analysis and seed testing procedures. It is also used for numerous routine techniques in the food industry to separate solid foodstuffs from associated liquid or extracting liquid and is widely used in education for teaching simple qualitative analytical separations. Whatman # 1001-070. This whatman 7. 0cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate.

 

Whatman 10300120 Ashless Quantitative Filter Paper 240mm Diameter 4-12 Micron Grade 5892 Pack of 100 #ad

Whatman 10300120 Ashless Quantitative Filter Paper, 240mm Diameter, 4-12 Micron, Grade 589/2 (Pack of 100)

Whatman 10300120 Ashless Quantitative Filter Paper, 240mm Diameter, 4-12 Micron, Grade 589/2 (Pack of 100) #ad - Applied in a variety of routine methods in quantitative analysis, eg determination of the sand content in foodstuffs to § 35 lmbg, determination of the grade of flour , or analysis of aqueous suspensions in the paper industry. Ashless standard filter paper for medium fine precipitates (class 2b acc to din 53 135) offering medium filtration speed. Diameter 240mm. Filtration speed 70 herzberg ash content 001% typical thickness 180µm basis weight 85g/m². Retention 4-12µm.

 

Whatman 1440-125 Ashless Quantitative Filter Paper 125cm Diameter 8 Micron Grade 40 Pack of 100 #ad

Whatman 1440-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 8 Micron, Grade 40 (Pack of 100)

Whatman 1440-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 8 Micron, Grade 40 (Pack of 100) #ad - Primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk. Diameter 125cm. Use as apure analytical grade clean-up filter for solutions prior to aa spectrophotometry high purity filter in collecting trace elements and radionuclides from the atmosphere. Classic general purpose ashless filter paper medium speed and retention typical applications include gravimetric analysis for numerous components in cements, clays, iron and steel products. Retention 8µm.

 

Whatman 1441-125 Ashless Quantitative Filter Paper 125cm Diameter 20 Micron Grade 41 Pack of 100 #ad

Whatman 1441-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 20 Micron, Grade 41 (Pack of 100)

Whatman 1441-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 20 Micron, Grade 41 (Pack of 100) #ad - Diameter 125cm. Fastest ashless filter paper. Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. Recommended for analytical procedures involving coarse particles or gelatinous precipitates (iron or aluminium hydroxides). Retention 20µm.

 

Whatman 4712B30PK 1001110 Grade 1 Qualitative Filter Paper 110 mm Thick and Max Volume 571 mlm Pack of 100 #ad

Whatman 4712B30PK 1001110 Grade 1 Qualitative Filter Paper, 110 mm Thick and Max Volume 571 ml/m (Pack of 100)

Whatman 4712B30PK 1001110 Grade 1 Qualitative Filter Paper, 110 mm Thick and Max Volume 571 ml/m (Pack of 100) #ad - Also available in 46 x 57 cm sheets. Clarifies liquids in routine laboratory applications and for air pollution monitoring. Used in air monitors to collect atmospheric dust for assessment of stain intensity.

 

Whatman 4716H25PK 1441110 Grade 41 Quantitative Filter Paper Ashless Filter Circles 110 mm Max Volume 1764 mlm Pack of 100 #ad

Whatman 4716H25PK 1441110 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 110 mm, Max Volume 1764 ml/m (Pack of 100)

Whatman 4716H25PK 1441110 Grade 41 Quantitative Filter Paper Ashless Filter Circles, 110 mm, Max Volume 1764 ml/m (Pack of 100) #ad - Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention). Used for quantitative air pollution analysis when determining gaseous compounds at high flow rates. Especially suitable for iron or aluminum hydroxides rough surface. Acid washed, ash content 0007%. Widely used in determining silicon in iron and steel analysis.

 

Whatman 1440-110 Quantitative Filter Paper Circles 8 Micron Grade 40 110mm Diameter Pack of 100 #ad

Whatman 1440-110 Quantitative Filter Paper Circles, 8 Micron, Grade 40, 110mm Diameter (Pack of 100)

Whatman 1440-110 Quantitative Filter Paper Circles, 8 Micron, Grade 40, 110mm Diameter (Pack of 100) #ad - Diameter 110cm. Primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk. Classic general purpose ashless filter paper medium speed and retention typical applications include gravimetric analysis for numerous components in cements, clays, iron and steel products. Retention 8µm. Use as apure analytical grade clean-up filter for solutions prior to aa spectrophotometry high purity filter in collecting trace elements and radionuclides from the atmosphere.

 

Whatman 6700-7502 Polycap TF 75 PTFE Membrane Capsule Filter with SB Inlet and Outlet 60 psi Maximum Pressure 02 Micron #ad

Whatman 6700-7502 Polycap TF 75 PTFE Membrane Capsule Filter with SB Inlet and Outlet, 60 psi Maximum Pressure, 0.2 Micron

Whatman 6700-7502 Polycap TF 75 PTFE Membrane Capsule Filter with SB Inlet and Outlet, 60 psi Maximum Pressure, 0.2 Micron #ad - Applications include venting, in-line filtration, isolation, electronics, pharmaceutical, biotech, and laboratory. Designed for use with organic solvents and aggressive solutions fully autoclavable and integrity-testable for sterile applications. Fittings stepped barb for 6 to 10mm or 3/8 to 1/2 inch tubing. Pore size 02µm. Filtration area 75mm capsule.

 

Whatman 1004-110 Quantitative Filter Paper Circles 20-25 Micron 37 s100mLsq inch Flow Rate Grade 4 110mm Diameter Pack of 100 #ad

Whatman 1004-110 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 110mm Diameter (Pack of 100)

Whatman 1004-110 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 110mm Diameter (Pack of 100) #ad - 110cm. Grade 4. Used in qualitative analytical techniques to determine and identify materials. Extremely fast filtering provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

 

Whatman 1450-125 Quantitative Filter Paper Circles 27 Micron Grade 50 125mm Diameter Pack of 100 #ad

Whatman 1450-125 Quantitative Filter Paper Circles, 2.7 Micron, Grade 50, 125mm Diameter (Pack of 100)

Whatman 1450-125 Quantitative Filter Paper Circles, 2.7 Micron, Grade 50, 125mm Diameter (Pack of 100) #ad - Diameter 125cm. Will withstand wet handling and precipitate removal by scraping. Retention of finest crystalline precipitates, thinnest of all whatman filter papers and slow flow rate. Retention 27µm. Hardened and highly glazed surface, this finish also keeps the paper free from loose surface fibers.

 

Whatman 6900-2502 GDX 25 Sterile Syringe Filter 25mm 02 Micron PVDF Filtration Medium Pack of 50 #ad

Whatman 6900-2502 GD/X 25 Sterile Syringe Filter, 25mm, 0.2 Micron, PVDF Filtration Medium, Pack of 50

Whatman 6900-2502 GD/X 25 Sterile Syringe Filter, 25mm, 0.2 Micron, PVDF Filtration Medium, Pack of 50 #ad - Ge healthcare manufactures equipment and supplies for medical and pharmaceutical research and diagnostic testing under brands including ge healthcare life sciences and whatman. Pvdf is less hydrophobic and has lower water breakthrough values than ptfe. The filter is appropriate for use with highly particular-loaded samples greater than 10ml. 2 micron retention, and a pvdf membrane. Pack of 50. The company, headquartered in little chalfont, buckinghamshire, uk, is a division of general electric. The polyvinylidene fluoride (pvdf) membrane has good chemical resistance to common hplc solvents, has low protein binding, and negligible extractables. The whatman 6900-2502 gd/x 25 sterile syringe filters have a 25mm filter, 0.

 

Whatman 1002-090 Quantitative Filter Paper Circles 8 Micron 21 s100mLsq inch Flow Rate Grade 2 90mm Diameter Pack of 100 #ad

Whatman 1002-090 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 90mm Diameter (Pack of 100)

Whatman 1002-090 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 90mm Diameter (Pack of 100) #ad - This whatman 9. Additionally, it is used for monitoring specific contaminants in the atmosphere and in soil testing. Diameter 9. In addition to general filtration in the 8 µm particle size range, the extra absorbency is utilized. Retention 8µm. It is slightly more retentive (8µm) than whatman grade 1, with a corresponding increase in filtration time (i. For example, it holds soil nutrient in plant growth trials. E. 100/pack. 0cm, grade 2, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. , Slightly slower filtration speed). It is also more absorbent than grade 1. 0cm. Whatman # 1002-090.

 

Whatman 6706-3602 Polycap AS 36 Nylon Membrane Capsule Filter with SB Inlet and Outlet Plus Filling Bell 60 psi Maximum Pressure 02 Micron #ad

Whatman 6706-3602 Polycap AS 36 Nylon Membrane Capsule Filter with SB Inlet and Outlet Plus Filling Bell, 60 psi Maximum Pressure, 0.2 Micron

Whatman 6706-3602 Polycap AS 36 Nylon Membrane Capsule Filter with SB Inlet and Outlet Plus Filling Bell, 60 psi Maximum Pressure, 0.2 Micron #ad - Provides highly effective filtration area in a small size. Polycap as 36mm filter recommended for filtering aqueous solutions. Sterile 02µm with stepped barb inlet and outlet plus filling bell. Autoclavable some presterilized with gamma irradiation. Ultra-clean containing no surfactant or mold release agents.

 

Whatman 110401 Polycarbonate Nuclepore Track-Etched Membrane Filters 13mm Diameter 0015 Micron Pack of 100 #ad

Whatman 110401 Polycarbonate Nuclepore Track-Etched Membrane Filters, 13mm Diameter, 0.015 Micron (Pack of 100)

Whatman 110401 Polycarbonate Nuclepore Track-Etched Membrane Filters, 13mm Diameter, 0.015 Micron (Pack of 100) #ad - High chemical resistance and good thermal stability for a wide range of samples. Nuclepore polycarbonate track-etched membrane is made from high quality polycarbonate film has sharply defined pore sizes. Membrane has a smooth flat surface for good visibility of particles. Features include low protein binding and low extractables ensures no sample contamination. Circle 0015µm pore size 13mm.

 

Whatman 67802502 Polyethersulfone Puradisc 25 Syringe Filter 02 Micron PES Sterile Pack of 50 #ad

Whatman 67802502 Polyethersulfone Puradisc 25 Syringe Filter, 0.2 Micron, PES, Sterile, (Pack of 50)

Whatman 67802502 Polyethersulfone Puradisc 25 Syringe Filter, 0.2 Micron, PES, Sterile, (Pack of 50) #ad - Options include a sterile, medical-grade blister pack for critical applications and a special tube tip outlet that allows the sample to be accurately dispensed into a micro-vial, eliminating air lock. They are ideal for the quick, efficient filtration of samples up to 100 ml volume. Puradisc syringe filters combine premium quality and economy. Puradisc filters are produced from pigment-free polypropylene or polycarbonate with standard inlet (female luer lock) and outlet (male luer) connections (unless otherwise stated).





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