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Cytiva's Whatman™ Grade 41 Quantitative Ashless Filter Paper Circles 20µm

Cytiva’s Whatman™

Cytiva's Whatman™ Grade 41 environmental pollution papers are among the fastest filter papers in the Cytiva's Whatman™ ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.


  • Extremely low ash content (0.007% ash maximum)
  • Fast filtration speed (Herzberg 54 s)
  • Commonly used for routine air pollution analysis and soil pollution analysis

Filter Format:
 
Circles
Filter Paper Type:
 
Ashless Quantitative
Flow Rate:
 
254mL/min
Grade:
 
41
Material:
 
High-Quality Cotton Linters
Particle Retention:
 
20um
Thickness:
 
215um
Grouped product items
Item ID Diameter Price Packaging
WHATMAN 1441-6309
WHATMAN 1441-6309
25mm
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WHATMAN 14418296
WHATMAN 14418296
32mm
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WHATMAN 1441-042
WHATMAN 1441-042
42.5mm
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WHATMAN 1441-047
WHATMAN 1441-047
47mm
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WHATMAN 1441-050
WHATMAN 1441-050
50mm
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WHATMAN 1441-055
WHATMAN 1441-055
55mm
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WHATMAN 1441-060
WHATMAN 1441-060
60mm
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WHATMAN 1441-070
WHATMAN 1441-070
70mm
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WHATMAN 1441-090
WHATMAN 1441-090
90mm
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WHATMAN 1441-110
WHATMAN 1441-110
110mm
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WHATMAN 1441-125
WHATMAN 1441-125
125mm
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WHATMAN 1441-150
WHATMAN 1441-150
150mm
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WHATMAN 1441-185
WHATMAN 1441-185
185mm
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WHATMAN 1441-240
WHATMAN 1441-240
240mm
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WHATMAN 1441-320
WHATMAN 1441-320
320mm
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