Whatman™ Quantitative Filter Paper: Grade 41 Sheets

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 Sheets are commonly used in preparing samples for metal analysis after nitric acid digestion.

Brand: Whatman™

Manufacturer Part Number: 1441-866

UNSPSC: 41104921

Additional Details:
Additional Details: Weight: 0.41000kg

Product Code. 11342955

Quantity Price
1 £ 210.0 / Pack of 100
Estimated Shipment
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Description and Specification


Width (Metric) 203mm
Length (Metric) 254mm
For Use With (Application) Metallurgy: iron and aluminum hydroxides. Air pollution monitoring. Normal loading; limited wet strength
Quantity 100Pack
Pore Size (Metric) 20μm
Particle Retention Gelatinous precipitates and coarse particles
Thickness (Metric) 215μm
Material High-quality Cotton Linters
Flow Rate Fast
Porosity Coarse
Format Sheet
Grade 41

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