Whatman™ Quantitative Filter Paper: Grade 41 Circles

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.

Overview
Brand: Whatman™

Manufacturer Part Number: 1441-070

UNSPSC: 41104929

Code: 52

Additional Details:
Additional Details: Weight: 0.03000kg



Product Code. 10516551

Quantity Price
1 £ 20.55 / Pack of 100
10 £ 16.44 / Pack of 100
In Stock 10
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Description and Specification

Specification

Pore Size (Metric) 20μm
Diameter (Metric) 70mm
Particle Retention Gelatinous precipitates and coarse particles
Material High-quality Cotton Linters
Flow Rate Fast
Thickness (Metric) 215μm
For Use With (Application) Metallurgy: iron and aluminum hydroxides. Air pollution monitoring. Normal loading; limited wet strength
Quantity 100Pack
Porosity Coarse
Format Circle
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

Documentation