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Whatman™ Qualitative Filter Papers - Prepleated Grade 113V

Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses

Manufacturer:  Whatman™ 1213240

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Catalog No. 09-927-962




Paper, Filter; Whatman; 113V Grade; Qualitative; Prepleated circles; Increase total loading capacity; Particle retention: 30um; Surface: Creped; Porosity: Coarse; Filtration speed: Herzberg, 28 seconds; 24cm dia.

Very thick and strong filter with creped surface for extremely high loading capacity, particularly in folded form.

  • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponed
  • Increased total loading capacity as more filter area is available — highly suitable for coarse particles and gelatinous precipitates
  • Fastest flow rate of any qualitative grade — flow rate maintained due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself
  • Prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles

  • Typical thickness: 420μ
  • Basis Weight: 125g/m2
  • Material: Cellulose
  • Alpha Cellulose Content, Min.: 0.98%
  • Properties: Fast, creped
Description & Specifications


Use for coarse particles and gelatinous precipitates.