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: 1441-047

UNSPSC: 41104921

Code: 69

Additional Details:
Additional Details: Weight: 0.01100kg



Product Code. 11300474

Quantity Price
1 £ 13.5 / Pack of 100
Estimated Shipment
24-04-2017
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Description and Specification

Specification

Material High-quality Cotton Linters
Thickness (Metric) 215μm
Pore Size (Metric) 20μm
For Use With (Application) Metallurgy: iron and aluminum hydroxides. Air pollution monitoring. Normal loading; limited wet strength
Diameter (Metric) 47mm
Flow Rate Fast
Quantity 100Pack
Particle Retention Gelatinous precipitates and coarse particles
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