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Thermo Fisher Scientific Thermo Fisher Scientific (View All Products)

Thermo Fisher Scientific ThermoFisher Scientific 1441-090 Whatman™ Quantitative Filter Paper - Grade 41 Circles - 100 Pieces

  • Thermo Fisher Scientific
  • BW#: 02996084
  • Mfr#: 1441-090
  • UNSPSC#: 39121002
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Thermo Fisher Scientific ThermoFisher Scientific 1441-090 Whatman™ Quantitative Filter Paper - Grade 41 Circles - 100 Pieces
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Features
 • 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

Applications
 • Whatman™ Quantitative Filter Paper: Grade 41 Circles are commonly used in preparing samples for metal analysis after nitric acid digestion  • 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 analysis

Specifications

 • Airflow Rate:4 s/100 mL/in2
 • Description:Grade 41 Fast Ashless Filter Paper, 90 mm circle (100 pcs)
 • Format:Circle
 • Material:High-quality Cotton Linters
 • Particle Retention:20μm
 • Pore Size:20 μm
 • Filtration Speed:ASTM, 12 seconds; Herzberg, 54 seconds
 • Flow Rate:Fast
 • Grade:Grade 41
 • Porosity:Coarse
 • Quantity:100 Pack
 • Thickness (Metric):215 μm
 • Type:Ashless
 • Diameter (English):3.54 in
 • Diameter (Metric):90 mm
 • Unit Size:Each

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Technical Specifications
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