material
cellulose , sheets
feature
Grade 93
packaging
pack of 500
manufacturer/tradename
Whatman 1093-935, Whatman Article No. 28417553 (US reference)
parameter
2.6 psi wet burst, 80 sec/100 mL speed (Herzberg)
L × W
610 mm × 610 mm
thickness
145 μm
pore size
10 μm (Particle retention)
basis weight
67 g/m2
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General description
Intermediate in speed and retention between Grades 1 and 4. 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.
Typical particle retention 10 um.
Typical particle retention 10 um.
Features and Benefits
- Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a convenient dispenser.
- The envelopes are released individually for easy one-at-a-time removal.
- Package and envelopes are clearly marked for size and content.
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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