material
circles
packaging
pack of 100
manufacturer/tradename
Whatman 1113-500, Whatman Article No. 28417669 (US reference)
parameter
28 sec/100 mL speed (Herzberg), 9 psi wet burst
diam.
500 mm
thickness
420 μm
pore size
30 μm (Particle retention)
basis weight
125 g/m2
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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.
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.
Other Notes
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
Legal Information
Whatman is a registered trademark of Cytiva
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