16 Best Filter Paper Circles in 2020

 

Whatman 1001-185 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 185mm Diameter Pack of 100

Whatman 1001-185 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 185mm Diameter (Pack of 100)

Whatman 1001-185 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 185mm Diameter (Pack of 100) - Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. This whatman 18. 5cm. 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. In agriculture, it is used for soil analysis and seed testing procedures. Whatman # 1001-180. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. 100/pack. Retention 11µm. 5cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. Diameter 18. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance.

 

Whatman 4712N35PK 1004150 Quantitative Filter Paper Circles 20-25 μm 37 s100 mlsq in Flow Rate Grade 4 150 mm Diameter Pack of 100

Whatman 4712N35PK 1004150 Quantitative Filter Paper Circles, 20-25 μm, 3.7 s/100 ml/sq in Flow Rate, Grade 4, 150 mm Diameter (Pack of 100)

Whatman 4712N35PK 1004150 Quantitative Filter Paper Circles, 20-25 μm, 3.7 s/100 ml/sq in Flow Rate, Grade 4, 150 mm Diameter (Pack of 100) - Compliments no 1 for air pollution monitoring when high flow rates are important. Fast filtering with excellent retention of coarse particles and gelatinous precipitates. Low retentivity, 20-25 µm.

 

GE Whatman Reeve Angel 5202-150 Qualitative Filter Paper Circle Crepe Surface Medium-Fast Speed Grade 202 15cm Diameter Pack of 100

GE Whatman Reeve Angel 5202-150 Qualitative Filter Paper, Circle, Crepe Surface, Medium-Fast Speed, Grade 202, 15cm Diameter (Pack of 100)

GE Whatman Reeve Angel 5202-150 Qualitative Filter Paper, Circle, Crepe Surface, Medium-Fast Speed, Grade 202, 15cm Diameter (Pack of 100) - Filtration speed medium-fast. Weight 82g/m². Precipitates retained coarse/gelatinous. For general chemistry, pharmacology, emulsions, petroleum testing, soaps and detergents. Shape circle. Surface crepe. Diameter 15cm. 29mm. These reeve angel papers provide consistent quality and performance. Thickness 0. This reeve angel qualitative filter paper, grade 202, is manufactured primarily for routine, noncritical laboratory filtration applications. Color white. It contains wet-strength additives and should not be used for kjeldahl nitrogen determinations. Nominal retention 98% efficient at 15 to 19µm.

 

GE Whatman Reeve Angel 5201-110 Qualitative Filter Paper Circle Smooth Surface Medium-Slow Speed Grade 201 11cm Diameter Pack of 100

GE Whatman Reeve Angel 5201-110 Qualitative Filter Paper, Circle, Smooth Surface, Medium-Slow Speed, Grade 201, 11cm Diameter (Pack of 100)

GE Whatman Reeve Angel 5201-110 Qualitative Filter Paper, Circle, Smooth Surface, Medium-Slow Speed, Grade 201, 11cm Diameter (Pack of 100) - Thickness 0. Diameter 11cm. Surface smooth. Filtration speed medium-slow. These reeve angel papers provide consistent quality and performance. This reeve angel qualitative filter paper, grade 201, is manufactured primarily for routine, noncritical laboratory filtration applications. Shape circle. Nominal retention 98% efficient at 7 to 14µm. Weight 75g/m². It contains wet-strength additives and should not be used for kjeldahl nitrogen determinations. Color white. 15mm. For organic chemistry, pharmacology, solvent filtering and recovery, sugar filtration. Precipitates retained medium.

 

Whatman 1540-240 Quantitative Filter Paper Circles 8 Micron Grade 540 240mm Diameter Pack of 100

Whatman 1540-240 Quantitative Filter Paper Circles, 8 Micron, Grade 540, 240mm Diameter (Pack of 100)

Whatman 1540-240 Quantitative Filter Paper Circles, 8 Micron, Grade 540, 240mm Diameter (Pack of 100) - 0cm. Retention 8µm. High wet strength makes this grade very suitable for vacuum assisted fast filtration of “difficult” coarse or gelatinous precipitates. Very fast filtration for use with coarse and gelatinous precipitates. Diameter 24. Whatman # 1540-240. 100/pack.

 

Whatman 1001090 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 90mm Diameter Pack of 100

Whatman 1001090 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 90mm Diameter (Pack of 100)

Whatman 1001090 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 90mm Diameter (Pack of 100) - These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

 

Whatman 10311807 Quantitative Filter Paper Circles 4-7 Micron Grade 597 55mm Diameter Pack of 100

Whatman 10311807 Quantitative Filter Paper Circles, 4-7 Micron, Grade 597, 55mm Diameter (Pack of 100)

Whatman 10311807 Quantitative Filter Paper Circles, 4-7 Micron, Grade 597, 55mm Diameter (Pack of 100) - Diameter 55mm. Retention 4, 7µm. Filtration speed 140 herzberg typical thickness 180µm basis weight 85g/m². Used for a wide variety of analytical routine applications in different industries like food testing (eg determination of fat content acc to § 35 lmbg) or removal of carbon dioxide and turbidity from beverages (eg beer analysis acc to ebc or mebak). Medium fast filter paper with medium to fine particle retention.

 

Whatman 1005-090 Qualitative Filter Paper Circles 25 Micron 94 s100mLsq inch Flow Rate Grade 5 90mm Diameter Pack of 100

Whatman 1005-090 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 90mm Diameter (Pack of 100)

Whatman 1005-090 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 90mm Diameter (Pack of 100) - Has the maximum degree of fine particle filtration (25µm) in the qualitative range capable of retaining the fine precipitates encountered in chemical analysis. Grade 5. Slow flow rate excellent clarifying filter for cloudy suspensions and for water and soil analysis. 90cm. Used in qualitative analytical techniques to determine and identify materials.

 

Whatman 1441-055 Quantitative Filter Paper Circles 20 Micron Grade 41 55mm Diameter Pack of 100

Whatman 1441-055 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 55mm Diameter (Pack of 100)

Whatman 1441-055 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 55mm Diameter (Pack of 100) - Diameter 55cm. Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. Retention 20µm. Recommended for analytical procedures involving coarse particles or gelatinous precipitates (iron or aluminium hydroxides). Fastest ashless filter paper.

 

GE Whatman Reeve Angel 5202-250 Qualitative Filter Paper Circle Crepe Surface Medium-Fast Speed Grade 202 25cm Diameter Pack of 100

GE Whatman Reeve Angel 5202-250 Qualitative Filter Paper, Circle, Crepe Surface, Medium-Fast Speed, Grade 202, 25cm Diameter (Pack of 100)

GE Whatman Reeve Angel 5202-250 Qualitative Filter Paper, Circle, Crepe Surface, Medium-Fast Speed, Grade 202, 25cm Diameter (Pack of 100) - Weight 82g/m². Filtration speed medium-fast. It contains wet-strength additives and should not be used for kjeldahl nitrogen determinations. Surface crepe. These reeve angel papers provide consistent quality and performance. Nominal retention 98% efficient at 15 to 19µm. Precipitates retained coarse/gelatinous. Shape circle. This reeve angel qualitative filter paper, grade 202, is manufactured primarily for routine, noncritical laboratory filtration applications. For general chemistry, pharmacology, emulsions, petroleum testing, soaps and detergents. Color white. Thickness 0. Diameter 25cm. 29mm.

 

Whatman 1004-070 Quantitative Filter Paper Circles 20-25 Micron 37 s100mLsq inch Flow Rate Grade 4 70mm Diameter Pack of 100

Whatman 1004-070 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 70mm Diameter (Pack of 100)

Whatman 1004-070 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 70mm Diameter (Pack of 100) - Used in qualitative analytical techniques to determine and identify materials. Grade 4. 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. 70cm.

 

Whatman 1001-325 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 25mm Diameter Pack of 100

Whatman 1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100)

Whatman 1001-325 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 25mm Diameter (Pack of 100) - 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. This whatman 2. 5cm. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Diameter 2. Whatman # 1001-325. Retention 11µm. 100/pack. In agriculture, it is used for soil analysis and seed testing procedures. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. 5cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically.

 

GE Whatman Reeve Angel 5201-330 Qualitative Filter Paper Circle Smooth Surface Medium-Slow Speed Grade 201 33cm Diameter Pack of 100

GE Whatman Reeve Angel 5201-330 Qualitative Filter Paper, Circle, Smooth Surface, Medium-Slow Speed, Grade 201, 33cm Diameter (Pack of 100)

GE Whatman Reeve Angel 5201-330 Qualitative Filter Paper, Circle, Smooth Surface, Medium-Slow Speed, Grade 201, 33cm Diameter (Pack of 100) - It contains wet-strength additives and should not be used for kjeldahl nitrogen determinations. Color white. Nominal retention 98% efficient at 7 to 14µm. Precipitates retained medium. These reeve angel papers provide consistent quality and performance. Thickness 0. Filtration speed medium-slow. 15mm. Diameter 33cm. For organic chemistry, pharmacology, solvent filtering and recovery, sugar filtration. Surface smooth. Shape circle. Weight 75g/m². This reeve angel qualitative filter paper, grade 201, is manufactured primarily for routine, noncritical laboratory filtration applications.

 

Whatman 1001-047 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 47mm Diameter Pack of 100

Whatman 1001-047 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 47mm Diameter (Pack of 100)

Whatman 1001-047 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 47mm Diameter (Pack of 100) - In agriculture, it is used for soil analysis and seed testing procedures. 7cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. 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. 100/pack. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. This whatman 4. Whatman # 1001-047. Retention 11µm. Diameter 4. 7cm. 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.

 

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)

Whatman 1440-110 Quantitative Filter Paper Circles, 8 Micron, Grade 40, 110mm Diameter (Pack of 100) - 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. 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. Retention 8µm. Diameter 110cm. Primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk.

 

Whatman 1450-090 Quantitative Filter Paper Circles 27 Micron Grade 50 90mm Diameter Pack of 100

Whatman 1450-090 Quantitative Filter Paper Circles, 2.7 Micron, Grade 50, 90mm Diameter (Pack of 100)

Whatman 1450-090 Quantitative Filter Paper Circles, 2.7 Micron, Grade 50, 90mm Diameter (Pack of 100) - 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. Diameter 90cm.





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