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Z240893 Aldrich

Whatman® qualitative filter paper, Grade 113, creped

circles, diam. 110 mm, pack of 100

Synonym: filter papers

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Properties

Related Categories Filtration Supplies, Labware, Paper Filters, Qualitative
material   circles
packaging   pack of 100
mfr. no.   Whatman
parameter   28 sec/100 mL speed (Herzberg)
  9 psi wet burst
diam.   110 mm
thickness   420 μm
pore size   30 μm (Particle retention)
basis weight   125 g/m2

Description

General description

These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc. Some wet strengthened grades are available in folded (prepleated) forms.

Grade 113: 30 μm (fast, creped filter paper)
Ultra high loading capacity with a particle retention making it ideal for use with coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface. Thickest filter paper in the qualitative range.

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Whatman is a registered trademark of GE Healthcare

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