WHA1454240
Whatman® quantitative filter paper, hardened low-ash, Grade 54
circles, diam. 240 mm, pack of 100
Synonym(s):
Whatman filter, Z241997, filter paper, paper filter
About This Item
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1454-240
Whatman Article No. 28418116 (US reference)
parameter
39 sec/100 mL speed (Herzberg)
7 psi wet burst
diam.
240 mm
thickness
185 μm
ash
≤0.015%
pore size
22 μm (Particle retention)
basis weight
92 g/m2
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General description
Features and Benefits
- Higher nominal particle retention rating (22 µm) than comparable Buchner funnel filter papers
- Fast filtration speed (Herzberg filtration speed 39 s)
- High purity (0.015% ash maximum)
- Acid-treated for high wet-strength and chemical resistance
- Hardened to minimize fiber shedding
Other Notes
Legal Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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