Filter Paper

SKU: 777663-15 Category:



Filter paper, quantitative, ashless, is used for quantitative and gravimetric analysis. Also used for environmental monitoring.

Diameter: 150 mm

Grade: No. 5B 
Weight (g/m²): 108
Thickness (mm): 0.21
Flow Time1 (sec): 195
Absorption Speed2 (cm): 7.0
Wet Strength3 (cm H2O): 19.4
Retention Characteristic (µm): 4 Medium
Collection Efficiency (%, 0.3 µm DOP): 90

  • Highest Quality Alpha Cotton Cellulose
  • Ash Content: 0.1%
  • Acid Washed: Double acid washed in hydrochloric acid, then hydrofluoric acid, then rinsed with ultrapure water to neutralize

Retains medium particles (5-10 µm) such as CaCO3, PbSO4, CaCO4, MnCO3, ZnCO3, ZnS, AgCl.

  1. Flow time is the time in seconds required to filter 100 mL of distilled water at 20°C under pressure supplied by a 10 cm water column through a 10 cmsection of paper.
  2. Absorption speed is the distance in cm that water will travel in an upright strip of paper in ten (10) minutes at 20°C.
  3. Wet strength is the height in cm of a water column that will rupture a 10 cmsection of paper.



Additional information

Weight 0.4911 lbs


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