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  5. Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Circles

Product Code. 11392945
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Diameter (Metric):
32 mm
42.5 mm
47 mm
50 mm
55 mm
60 mm
70 mm
90 mm
110 mm
125 mm
150 mm
185 mm
240 mm
Unit Size:
Pack of 100
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Product Code. Diameter (Metric) unitSize
11392945 110 mm Pack of 100
11390464 42.5 mm Pack of 100
11300474 47 mm Pack of 100
11380464 50 mm Pack of 100
10347341 55 mm Pack of 100
10738762 60 mm Pack of 100
10516551 70 mm Pack of 100
11382945 90 mm Pack of 100
11302955 125 mm Pack of 100
11312955 150 mm Pack of 100
11322955 185 mm Pack of 100
11332955 240 mm Pack of 100
11360464 32 mm Pack of 100
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Product Code. 11392945 Supplier Cytiva Supplier No. 1441110
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40.05 GBP valid until 2026-04-30
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Description

Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Whatman™ Quantitative Filter Paper: Grade 41 Circles are commonly used in preparing samples for metal analysis after nitric acid digestion.

Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.
  • Extremely low ash content (0.007% ash maximum)
  • 20μm nominal particle retention rating
  • Fast filtration speed (Herzberg 54 s)
  • Commonly used for routine air pollution analysis and soil pollution analysis
  • High-purity filters for quantitative analysis
TRUSTED_SUSTAINABILITY

Specifications

Airflow Rate 4 s/100 mL/in2
Description Grade 41 Fast Ashless Filter Paper, 110 mm circle (100 pcs)
Filter Type Ashless
Format Disc
Material Cotton Linters
Particle Retention 20 μm
Pore Size 20 μm
Filtration Speed ASTM, 12 seconds; Herzberg, 54 seconds
Flow Rate Fast
For Use With (Application) Designed for gravimetric analysis and the preparation of samples for instrumental analysis.For analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides).Also used in quantitative air pollution analys
Grade Grade 41
Porosity Coarse
Quantity 100 Pk.
Thickness (Metric) 215 μm
Type Quantitative Filter Paper
Diameter (English) 4.33 in.
Diameter (Metric) 110 mm
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