WHA1093111
Whatman® qualitative filter paper, Grade 93
circles, diam. 110 mm, pack of 1250
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Synonym(s):
Whatman filter, Z699659, filter paper, paper filter
UNSPSC Code:
41104900
NACRES:
NB.24
Recommended Products
material
cellulose filters
circles
packaging
pack of 1250
manufacturer/tradename
Cytiva
Whatman 1093-111
Whatman Article No. 28417547 (US reference)
parameter
2.6 psi wet burst
80 sec/100 mL speed (Herzberg)
diam.
110 mm
thickness
145 μm
pore size
10 μm (Particle retention)
basis weight
67 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 93: 10 μm (medium filter paper)
This filter paper is intermediate in speed and retention between Grades 1 and 4. 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.
Grade 93: 10 μm (medium filter paper)
This filter paper is intermediate in speed and retention between Grades 1 and 4. 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
Regulatory Information
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Certificates of Analysis (COA)
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