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GE Healthcare Whatman™ Quantitative Filter Paper: Grade 41 Circles Available on GSA/VA Contract for Federal Government customers only.

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.

Manufacturer:  GE Healthcare 1441125

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Catalog No. 09-850D


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Description

Description

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

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Specifications

Specifications

Grade 41 Fast Ashless Filter Paper, 125 mm circle (100 pcs)
GE’s Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.
Grade 41
20μm
215μm
125mm
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
4 s/100 mL/in2
Ashless
100Pack
High-quality cotton linters
Circles
Coarse
20μm
Fast
215 μm
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