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Scientific Equipment Company

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Whatman™ 10334351
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Whatman™ Grade 0858 1/2 Folded (Prepleated) Qualitative Filter Paper, 240 mm dia

Qualitative Filter Paper, 240 mm dia, Cellulose, Grade 0858 1/2, Circle, Folded (Prepleated) Grade Type, 170 µm Thickness, 12 µm Maximum Particle Retention in Liquid, 75 g/m2 Nominal Basis Weight, 55 secs Filtration Speed

  • Manufacturer Part No: 10334351
  • SECO Part No: GEH-10334351
  • Sold As:
  • Availability: loading

Grained, with medium fast flow rate and medium retention. A universal filter paper, used for the filtration of extracts, oils, beer, syrups etc.; also applied in filter presses or for the aspiration of liquids. Time-saving Whatman™ qualitative grades are offered in this convenient form, which gives major advantages over flat circles.

Diameter : 240 mm
Grade : Grade 0858 1/2
Material (ml/min) : Cellulose
Grade Type : Folded (Prepleated)
Type : Qualitative
Alpha Cellulose Content : 98%
Filtration Speed : 55 sec
Format : Circle
Nominal Basis Weight : 75 g/m2
Particle Retention in Liquid : 12 µm Max.
Properties : Medium Fast, Grained
Thickness : 170 µm
  • Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses
  • 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
  • Maintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself
  • The prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circles

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