15 Top Paper Circles

 

Whatman 1441-047 Quantitative Filter Paper Circles 20 Micron Grade 41 47mm Diameter Pack of 100

Whatman 1441-047 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 47mm Diameter (Pack of 100)

Whatman 1441-047 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 47mm Diameter (Pack of 100) - Diameter 47cm. Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. Fastest ashless filter paper. Recommended for analytical procedures involving coarse particles or gelatinous precipitates (iron or aluminium hydroxides). Retention 20µm.

 

Roylco 96177 Pre-Cut Circle Color Diffusing Paper 9-12 Size 05 Height 9 Width 9 Length Pack of 100

Roylco 96177 Pre-Cut Circle Color Diffusing Paper, 9-1/2″ Size, 0.5″ Height, 9″ Width, 9″ Length (Pack of 100)

Roylco 96177 Pre-Cut Circle Color Diffusing Paper, 9-1/2″ Size, 0.5″ Height, 9″ Width, 9″ Length (Pack of 100) - Precut circles of fun-to-use color diffusing paper. Sold as a pack of 100. Paint or draw with watercolors, markers or water soluble crayons or pencils and then mist with water to make colorful, one-of-a-kind designs. Color diffusing paper is a fabric-like paper with great texture. Ideal for the art classroom.

 

Whatman 1003-055 Quantitative Filter Paper Circles 6 Micron 26 s100mLsq inch Flow Rate Grade 3 55mm Diameter Pack of 100

Whatman 1003-055 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 55mm Diameter (Pack of 100)

Whatman 1003-055 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 55mm Diameter (Pack of 100) - Used in qualitative analytical techniques to determine and identify materials. Grade 3. Extra thickness gives increased wet strength makes this grade highly suitable for use in büchner funnels. Double the thickness of grade 1 even finer particle retention and excellent loading capacity. 55cm.

 

Whatman 1001-240 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 240mm Diameter Pack of 100

Whatman 1001-240 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 240mm Diameter (Pack of 100)

Whatman 1001-240 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 240mm Diameter (Pack of 100) - In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. Whatman # 1001-240. 100/pack. This whatman 24. Diameter 24. 0cm. Retention 11µm. In agriculture, it is used for soil analysis and seed testing procedures. 0cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. 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.

 

AHLSTROM FILTRATION 9500-0900 Borosilicate Glass Series 950 Qualitative Filter Paper Circle 9 cm Diameter Pack of 100

AHLSTROM FILTRATION 9500-0900 Borosilicate Glass Series 950 Qualitative Filter Paper, Circle, 9 cm Diameter (Pack of 100)

AHLSTROM FILTRATION 9500-0900 Borosilicate Glass Series 950 Qualitative Filter Paper, Circle, 9 cm Diameter (Pack of 100) - Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present.

 

Whatman 1003-090 Quantitative Filter Paper Circles 6 Micron 26 s100mLsq inch Flow Rate Grade 3 90mm Diameter Pack of 100

Whatman 1003-090 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 90mm Diameter (Pack of 100)

Whatman 1003-090 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 90mm Diameter (Pack of 100) - Grade 3. 90cm. Double the thickness of grade 1 even finer particle retention and excellent loading capacity. Extra thickness gives increased wet strength makes this grade highly suitable for use in büchner funnels. Used in qualitative analytical techniques to determine and identify materials.

 

Neil Enterprises KC913 2-14 Precut White Paper Circles 01 Height 97 Width 117 Length Pack of 100

Neil Enterprises KC913 2-1/4″ Precut White Paper Circles, 0.1″ Height, 9.7″ Width, 11.7″ Length (Pack of 100)

Neil Enterprises KC913 2-1/4″ Precut White Paper Circles, 0.1″ Height, 9.7″ Width, 11.7″ Length (Pack of 100) - Use to make buttons for fund-raising events, school projects and more. Sold as a pack of 100. Saves time in projects. Great for school, office and retail. Just draw or stamp your design on a circle and then make a button.

 

Whatman 1005-125 Qualitative Filter Paper Circles 25 Micron 94 s100mLsq inch Flow Rate Grade 5 125mm Diameter Pack of 100

Whatman 1005-125 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 125mm Diameter (Pack of 100)

Whatman 1005-125 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 125mm Diameter (Pack of 100) - Used in qualitative analytical techniques to determine and identify materials. Has the maximum degree of fine particle filtration (25µm) in the qualitative range capable of retaining the fine precipitates encountered in chemical analysis. 125cm. Grade 5. Slow flow rate excellent clarifying filter for cloudy suspensions and for water and soil analysis.

 

Whatman 1001-329 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 30mm Diameter Pack of 100

Whatman 1001-329 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 30mm Diameter (Pack of 100)

Whatman 1001-329 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 30mm Diameter (Pack of 100) - For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. 100/pack. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. This whatman 3. 0cm, grade 1, cellulose filter paper is the most widely used filter paper for routine applications with medium retention (11µm) and flow rate. Diameter 3. 0cm. Whatman # 1001-329. Retention 11µm. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically. 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.

 

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

 

Whatman 1442-090 Quantitative Filter Paper Circles 25 Micron Grade 42 90mm Diameter Pack of 100

Whatman 1442-090 Quantitative Filter Paper Circles, 2.5 Micron, Grade 42, 90mm Diameter (Pack of 100)

Whatman 1442-090 Quantitative Filter Paper Circles, 2.5 Micron, Grade 42, 90mm Diameter (Pack of 100) - A world standard for critical gravimetric analysis. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retention 25µm. Diameter 90cm. A whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%.

 

Whatman 1001-0155 Quantitative Filter Paper Circles 11 Micron 105 s100mLsq inch Flow Rate Grade 1 15mm Diameter Pack of 500

Whatman 1001-0155 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 15mm Diameter (Pack of 500)

Whatman 1001-0155 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 15mm Diameter (Pack of 500) - 5cm. 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. For gas detection, the paper is impregnated with a chromogenic reagent and color formation is quantified by optical reflectance. Traditionally, this grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. This whatman 1. Whatman # 1001-0155. In agriculture, it is used for soil analysis and seed testing procedures. Diameter 1. 500/pack. 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 air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity is measured photometrically.

 

Whatman 1093-125 Quantitative Filter Paper Circles 10 Micron 7 s100mLin Flow Rate Grade 93 125mm Diameter Pack of 100

Whatman 1093-125 Quantitative Filter Paper Circles, 10 Micron, 7 s/100mL/in Flow Rate, Grade 93, 125mm Diameter (Pack of 100)

Whatman 1093-125 Quantitative Filter Paper Circles, 10 Micron, 7 s/100mL/in Flow Rate, Grade 93, 125mm Diameter (Pack of 100) - Particle retention in liquid ((µm) 10. Filtration speed (approx. Package and envelopes are clearly marked for size and content. Grade 93 this filter paper is intermediate in speed and retention between grades 1 and 4. Some wet strengthened grades are available in folded (prepleated) forms. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. Properties medium. Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a convenient dispenser. ) herzberg (s) 80. Basis weight (g/m sq) 67. The resins do, however, contain nitrogen so these grades should not be used in kjeldahl estimations, etc. The envelopes are released individually for easy one-at-a-time removal. Particle retention rating at 98 percent efficiency.

 

Whatman 1003-070 Quantitative Filter Paper Circles 6 Micron 26 s100mLsq inch Flow Rate Grade 3 70mm Diameter Pack of 100

Whatman 1003-070 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 70mm Diameter (Pack of 100)

Whatman 1003-070 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 70mm Diameter (Pack of 100) - Used in qualitative analytical techniques to determine and identify materials. 70cm. Extra thickness gives increased wet strength makes this grade highly suitable for use in büchner funnels. Grade 3. Double the thickness of grade 1 even finer particle retention and excellent loading capacity.

 

Ahlstrom 5150-3850 Fluted Filter Paper Circle 25 Micron Rapid Flow Grade 515 385cm Diameter Pack of 100

Ahlstrom 5150-3850 Fluted Filter Paper Circle, 25 Micron, Rapid Flow, Grade 515, 38.5cm Diameter (Pack of 100)

Ahlstrom 5150-3850 Fluted Filter Paper Circle, 25 Micron, Rapid Flow, Grade 515, 38.5cm Diameter (Pack of 100) - Bulk packaging. Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. 235 mls/min filtration speed rapidity. Pleating improves the effective surface area increasing flow rate and loading capacity thus decreasing filtration time. 29 sec/100mls filtration speed herzberg. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of the laboratory filter system. High loading capacity. 615 base filter paper. 25 micrometer retention.