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

  • 9.0cm
  • Grade 3
  • Used in qualitative analytical techniques to determine and identify materials
  • 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
Whatman 1003-090 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 90mm Diameter (Pack of 100)

Whatman 1442-110 Ashless Quantitative Filter Paper, 11.0cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)

  • Diameter: 11.0cm
  • Retention: 2.5µm
  • A world standard for critical gravimetric analysis
  • A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%
  • Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate
Whatman 1442-110 Ashless Quantitative Filter Paper, 11.0cm Diameter, 2.5 Micron, Grade 42 (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)

  • 7.0cm
  • 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 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 1006-070 Quantitative Filter Paper Circles, 3 Micron, 35 s/100mL/sq inch Flow Rate, Grade 6, 70mm Diameter (Pack of 100)

  • 7.0cm
  • Grade 6
  • Used in qualitative analytical techniques to determine and identify materials; excellent clarifying filter for cloudy suspensions and for water and soil analysis
  • Excellent fine particle filtration (3µm) in the qualitative range; capable of retaining the fine precipitates encountered in chemical analysis
  • Often specified for boiler water analysis applications
Whatman 1006-070 Quantitative Filter Paper Circles, 3 Micron, 35 s/100mL/sq inch Flow Rate, Grade 6, 70mm Diameter (Pack of 100)

Whatman 1004-090 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 90mm Diameter (Pack of 100)

  • 9.0cm
  • 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 1004-090 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 90mm Diameter (Pack of 100)

Membrane Solutions Ashless Quantitative Filter Paper, Filter Paper, Medium (8μm), 125mm Diameter (Pack of 100)

  • Filter paper is composed of cotton fibercellulose filter paper, 125mm Diameter, Medium (8μm)
  • Quantitative Filter Paper has little effect on the analysis result, suit for precision quantitative analysis. The amount of ash produced after ashing does not exceed 0.0009%.
  • Quantitive Ashless Filter Paper widely used for quantitative and gravimetric analysis. During the manufacturing, producer use acid to make the paper ash-less and achieve high purity
  • Filter paper is used in conjunction with laboratory holders and funnels, or with paper cones and funnels
  • We can provide Lifetime Support Guarantee and 30-Day Money Back Guarantee. Have any questions, please contact me promptly.
Membrane Solutions Ashless Quantitative Filter Paper, Filter Paper, Medium (8μm), 125mm Diameter (Pack of 100)

Whatman 1001-055 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 55mm Diameter (Pack of 100)

  • 5.5cm
  • Grade 1
  • Covers a wide range of laboratory applications; frequently used for clarifying liquids
  • Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection
  • Widely used in education for teaching simple qualitative analytical separations
Whatman 1001-055 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 55mm Diameter (Pack of 100)

StonyLab Quantitative Filter Paper Circles, 75mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

  • Filter paper diameter: 75mm
  • Coarse cellulose filter papers remove particles > 20 µm
  • Filtration Speed: 35 – 70 sec
  • Ash content: ≤0.01%
  • Compatible with StonyLab Buchner Filtering Funnel - 250ml
StonyLab Quantitative Filter Paper Circles, 75mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

Whatman 1442-150 Ashless Quantitative Filter Paper, 15.0cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)

  • Diameter: 15.0cm
  • Retention: 2.5µm
  • A world standard for critical gravimetric analysis
  • A Whatman cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%
  • Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate
Whatman 1442-150 Ashless Quantitative Filter Paper, 15.0cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)

StonyLab Qualitative Filter Paper Circles, 75mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

  • Filter paper diameter: 75mm
  • Coarse cellulose filter papers remove particles > 20 µm
  • Filtration Speed: 35 – 70 sec
  • Ash content: ≤0.15%
  • Compatible with StonyLab Buchner Filtering Funnel - 250ml
StonyLab Qualitative Filter Paper Circles, 75mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

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