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Showing 81–90 of 947 items.

Whatman 1540-090 Hardened Ashless Quantitative Filter Paper, 9.0cm Diameter, 8 Micron, Grade 540 (Pack of 100)

  • Diameter: 9.0cm
  • Retention: 8µm
  • Very fast filtration
  • For use with coarse and gelatinous precipitates
  • High wet strength makes this grade very suitable for vacuum assisted fast filtration of "difficult" coarse or gelatinous precipitates
Whatman 1540-090 Hardened Ashless Quantitative Filter Paper, 9.0cm Diameter, 8 Micron, Grade 540 (Pack of 100)

Whatman 10300014 Ashless Quantitative Filter Paper, 185mm Diameter, 12-25 Micron, Grade 589/1 (Pack of 100)

  • Diameter: 185mm; retention: 12-25µm
  • Filtration speed: 25 herzberg; ash content: 0.01%; typical thickness: 190µm; basis weight: 80g/m²
  • Ashless standard filter paper for the filtration of coarse precipitates (class 2a acc. to DIN 53 135)
  • Very high flow rate
  • Used for many quantitative standard methods, esp. for gravimetric applications (e.g. determination of the ash content in foodstuffs to § 35 LMBG*), or for the Blaine test in the cement industry
Whatman 10300014 Ashless Quantitative Filter Paper, 185mm Diameter, 12-25 Micron, Grade 589/1 (Pack of 100)

Whatman 1441-090 Ashless Quantitative Filter Paper, 9.0cm Diameter, 20 Micron, Grade 41 (Pack of 100)

  • Diameter: 9.0cm
  • 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 1441-090 Ashless Quantitative Filter Paper, 9.0cm Diameter, 20 Micron, Grade 41 (Pack of 100)

Whatman 1441-185 Ashless Quantitative Filter Paper, 185mm Diameter, 1764mL/m Flow Rate, 20 Micron, Grade 41

  • Ashless qualitative filter paper
  • 185mm diameter
  • Grade 41
  • 20 micron
  • 1764mL/m flow rate
Whatman 1441-185 Ashless Quantitative Filter Paper, 185mm Diameter, 1764mL/m Flow Rate, 20 Micron, Grade 41

Grade 42 Ashless Filter Paper for Instrumental Analysis, 90 mm circle - Whatman Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42, GE Healthcare

  • Grade 42 Ashless Filter Paper for Instrumental Analysis, 90 mm circle
  • 100 Pieces
  • High-quality cotton linters
  • 90 mm
  • Ashless
Grade 42 Ashless Filter Paper for Instrumental Analysis, 90 mm circle - Whatman Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42, GE Healthcare

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

  • Diameter: 240mm
  • Filtration speed: 70 herzberg; ash content: 0.01%; typical thickness: 180µm; basis weight: 85g/m²
  • Retention: 4-12µm
  • Ashless standard filter paper for medium fine precipitates (class 2b acc. to DIN 53 135) offering medium filtration speed
  • Applied in a variety of routine methods in quantitative analysis, e.g. 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
Whatman 10300120 Ashless Quantitative Filter Paper, 240mm Diameter, 4-12 Micron, Grade 589/2 (Pack of 100)

Whatman 4712B45PK 1001185 Quantitative Filter Paper Circles, 11 μm, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 185 mm Diameter (Pack of 100)

  • Most widely used general purpose laboratory filter paper
  • Medium retention, 11 µm, medium - fast flow rate, smooth surface
Whatman 4712B45PK 1001185 Quantitative Filter Paper Circles, 11 μm, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 185 mm Diameter (Pack of 100)

Whatman 10311845 Quantitative Folded Filter Paper, 4-7 Micron, Grade 597-1/2, 150mm Diameter (Pack of 100)

  • Diameter: 150mm
  • Filtration speed: 70 herzberg; typical thickness: 180µm; basis weight: 85g/m²
  • Retention: 4 - 7µm
  • Medium fast pleated filter paper with medium to fine particle retention
  • Used for a wide variety of analytical routine applications in different industries like food testing (e.g. determination of fat content acc. to § 35 LMBG) or removal of carbon dioxide and turbidity from beverages (e.g. beer analysis acc. to EBC or MEBAK)
Whatman 10311845 Quantitative Folded Filter Paper, 4-7 Micron, Grade 597-1/2, 150mm Diameter (Pack of 100)

Whatman 1440-055 Ashless Quantitative Filter Paper, 5.5cm Diameter, 8 Micron, Grade 40 (Pack of 100)

  • Diameter: 5.5cm
  • 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 1440-055 Ashless Quantitative Filter Paper, 5.5cm Diameter, 8 Micron, Grade 40 (Pack of 100)

SEOH Filter Paper Quantitative Fast 9cm

  • Diameter (cm) 9 ,Pk/100 Circles
  • Alpha Cotton Cellulose
  • Quantitative with Fast Flow Rate
  • Ash Content ~0.01%
  • Whatman Equivalent Grade 41
SEOH Filter Paper Quantitative Fast 9cm

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