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GE Healthcare 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.

Manufacturer:  GE Healthcare 1441866

Catalog No. 09-850Q



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
Specifications

Specifications

Grade 41 Fast Ashless Filter Paper, 203 × 254 mm sheet (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
254mm
215μm
8 in.
20μm
Fast
215 μm
Ashless
100Pack
High-quality cotton linters
10 in.
Sheets
Coarse
203mm
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
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