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Whatman™ Grade 44 Quantitative Filter Paper

Reduces overall ash content and the amount of time required for filtration. Whatman™ Grade 44 Quantitative Filter Paper provides faster gravimetric analysis with filter thinner material.

Manufacturer: whatman™  WHT1444090

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Catalog No. 09-860B

  • / Pack of 100 Each

Description & Specifications


Pore Size (Metric) 3μm
Thickness (Metric) 176μm
Material High-quality Cotton Linters
Flow Rate Medium
Quantity 100Pack
Format Circle
Porosity Fine
Grade 44
Diameter (Metric) 90mm

Thin version of Grade 42 ashless paper for fine particle retention.

  • Accurate ash free dry mass measurements
  • Fine nominal particle retention rating of 3 µm
  • Filtration speed (Herzberg 995 s)
  • Typical thickness of 180 µm


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