No. 41

No. 41 Quantitative Ashless Paper

No. 41
  • Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention)
  • Acid washed, ash content 0.007%
  • Especially suitable for iron or aluminum hydroxides; rough surface
  • Widely used in determining silicon in iron and steel analysis
  • Used for quantitative air pollution analysis when determining gaseous compounds at high flow rates
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7 Items

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  1. Filter Paper, Grade 41, 55mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 5.5cm (100/pk) Learn More
    $21.85

    AW Part Number: 1441-055
    OEM Part Number(s): 1441-055

  2. Filter Paper, Grade 41, 70mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 7.0cm (100/pk) Learn More
    $28.00

    AW Part Number: 1441-070
    OEM Part Number(s): 1441-070

  3. Filter Paper, Grade 41, 90mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 9.0cm (100/pk) Learn More
    $36.55

    AW Part Number: 1441-090
    OEM Part Number(s): 1441-090

  4. Filter Paper, Grade 41, 110mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 11.0cm (100/pk) Learn More
    $43.87

    AW Part Number: 1441-110
    OEM Part Number(s): 1441-110

  5. Filter Paper, Grade 41, 125mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 12.5cm (100/pk) Learn More
    $51.17

    AW Part Number: 1441-125
    OEM Part Number(s): 1441-125

  6. Filter Paper, Grade 41, 150mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 15.0cm (100/pk) Learn More
    $69.35

    AW Part Number: 1441-150
    OEM Part Number(s): 1441-150

  7. Filter Paper, Grade 41, 185mm (100/pk)
    Whatman Filter Paper, Grade 41; Circles; Diameter: 18.5cm (100/pk) Learn More
    $75.14

    AW Part Number: 1441-185
    OEM Part Number(s): 1441-185

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7 Items

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