Ashless Filter Papers - 110MM - Quantitative

Size: Grade 42 - Slow - 2.5um



Ashless Filter Papers - 110MM - Quantitative

 Ashless quantitative and qualitative filter papers provide laboratory grade filtration for extraction systems and are specifically used in combination with a Buchner funnel to remove fats, waxes and any other unwanted contaminants from your solution. These filter papers are used in the pre-processing stage of short path distillation to clean up the material prior to processing.

Key Features:

  • ISO 9001 Approved
  • Manufactured from alpha-cellulose and cotton linters
  • High Purity and low background
  • Consistent performance
  • Low ashless content: <0.007% (Quantitative Filter Paper)
  • Whatman equivalent quality
  • Pre-Cut for ease of use


Classification Quantitative
Sizes Available:  
   BIO-40 8um - Medium
   BIO-41 20-25um - Fast
   BIO-42 2.5um - Slow
   BIO-44 3um - Slow
Ash Content <0.007%
Quantity per Pack 100
Diameter 110mm (4.33")


Technical Data:

   Grade     Particle Retention Appearance Speed Ash Content (%) Basis Weight (g/m2) Wet burst (mm H2O)
BIO-1 11um Smooth Medium <0.1 80.0±4.0 >140
BIO-2 8um Smooth Medium <0.1 80.0±4.0 >140
BIO-4 20um Smooth Fast <0.1 80.0±4.0 >120
BIO-5 2.5um Smooth Slow <0.1 80.0±4.0 >180
BIO-6 3um Smooth Slow <0.1 80.0±4.0 >180
BIO-40 8um Smooth Medium <0.007 80.0±4.0 >140
BIO-41 20-25um Smooth Fast <0.007 80.0±4.0 >120
BIO-42 2.5um Smooth Slow <0.007 80.0±4.0 >180
BIO-43 16um Smooth Medium to Fast <0.007 80.0±4.0 >120
BIO-44 3um Smooth Slow <0.007 80.0±4.0 >180

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