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Whatman™ Grade 43 Quantitative Filter Paper

Contains very low ash content appropriate for gravimetric analyses requiring sample combustion. Whatman™ Grade 43 Quantitative Filter Paper can be ashed during gravimetric analysis without contributing substantially to the measured weight.

Manufacturer: whatman™  WHT1443125

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Catalog No. 09-856L

  • / Pack of 100 Each

Description & Specifications


Quantity 100Pack
Flow Rate Medium
Pore Size (Metric) 16μm
Thickness (Metric) 220μm
Material High-quality Cotton Linters
Porosity Intermediate
Format Circle
Diameter (Metric) 125mm
For Use With (Application) Foodstuff and soil analyses, particle collection in air pollution monitoring for XRF analysis. Normal loading; limited wet strength
Grade 43

Ashless filter paper for inorganic analysis

  • Very low ash content (0.007% ash concentration maximum)
  • Intermediate particle retention rating of 16µm
  • Herzberg filtration speed of 155 sec.
  • Particle collection between that of Grades 40 and 41


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