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Showing 31–40 of 967 items.

Whatman 1441-110 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 110mm Diameter (Pack of 100)

  • Diameter: 11.0cm
  • Retention: 20µm
  • Fastest ashless filter paper
  • Recommended for analytical procedures involving coarse particles or gelatinous precipitates (iron or aluminium hydroxides)
  • Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates
Whatman 1441-110 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 110mm Diameter (Pack of 100)

Advantec MFS N0112.5CM Qualitative Filter Paper, No. 1, 0.20 mm Thickness, 125" Length (Pack of 100)

  • Papers have smooth surface
  • Ash content of 0.1%.
  • Stable from pH 0 - 12
  • Unit Count Type is Qualitative Filter Paper
  • Made in :Japan
Advantec MFS N0112.5CM Qualitative Filter Paper, No. 1, 0.20 mm Thickness, 125" Length (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)

  • 7.0cm
  • 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 1001-070 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 70mm Diameter (Pack of 100)

Whatman 10312614 Quantitative Filter Paper Circles, 2 Micron, Grade 602H, 185mm Diameter (Pack of 100)

  • Diameter: 185mm
  • Filtration speed: 375 herzberg; typical thickness: 160µm; basis weight: 84g/m²
  • Retention: < 2µm
  • A dense filter paper for collecting very small particles and removing fine precipitates
  • Used in sample preparation, e.g. in the beverage industry for residual sugar determination, acidic spectra, refractometric analysis and HPLC
Whatman 10312614 Quantitative Filter Paper Circles, 2 Micron, Grade 602H, 185mm Diameter (Pack of 100)

Whatman 1003-185 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 185mm Diameter (Pack of 100)

  • 18.5cm
  • 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 1003-185 Quantitative Filter Paper Circles, 6 Micron, 26 s/100mL/sq inch Flow Rate, Grade 3, 185mm Diameter (Pack of 100)

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

  • Diameter: 12.5cm
  • Retention: 8µm
  • 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
  • Primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk
  • 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 1440-125 Ashless Quantitative Filter Paper, 12.5cm Diameter, 8 Micron, Grade 40 (Pack of 100)

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

  • Diameter: 4.7cm
  • Retention: 20µm
  • Fastest ashless filter paper
  • Recommended for analytical procedures involving coarse particles or gelatinous precipitates (iron or aluminium hydroxides)
  • Used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates
Whatman 1441-047 Quantitative Filter Paper Circles, 20 Micron, Grade 41, 47mm Diameter (Pack of 100)

Whatman 1002-240 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 240mm Diameter (Pack of 100)

  • 24.0cm
  • Grade 2
  • Used in qualitative analytical techniques to determine and identify materials
  • General filtration in the 8µm particle size range
  • More absorbent than Grade 1; for example, it is able to hold soil nutrient in plant growth trials
Whatman 1002-240 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 240mm 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)

  • 9.0cm
  • Grade 2
  • Used in qualitative analytical techniques to determine and identify materials
  • General filtration in the 8µm particle size range
  • More absorbent than Grade 1; for example, it is able to hold soil nutrient in plant growth trials
Whatman 1002-090 Quantitative Filter Paper Circles, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 90mm Diameter (Pack of 100)

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