WHA1440917
Whatman® quantitative filter paper, ashless, Grade 40
sheets, W × L 460 mm × 570 mm, pack of 100
Synonym(s):
Whatman filter, Whatman paper, Z740438, filter papers, paper filter
About This Item
Recommended Products
material
cellulose
sheets
feature
Grade 40
packaging
pack of 100
manufacturer/tradename
Whatman 1440-917
Whatman Article No. 28418001 (US reference)
parameter
0.29 psi wet burst
340 sec/100 mL speed (Herzberg)
W × L
460 mm × 570 mm
thickness
210 μm
ash
≤0.007%
pore size
8 μm (Particle retention)
basis weight
95 g/m2
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Features and Benefits
- High-purity filters contain 0.007% maximum ash content
- Medium nominal particle retention rating of 8 µm
- Medium filtration speed (Herzberg 340 s)
- Particularly useful for gravimetric analysis
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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