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$218.00
$218.00
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About This Item
cotton filters (high-quality cotton linters)
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Product Name
Whatman® quantitative filter paper, hardened low-ash, Grade 52, circles, diam. 240 mm, pack of 100
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1452-240
Whatman Article No. 28418105 (US reference)
parameter
235 sec/100 mL speed (Herzberg)
7 psi wet burst
diam.
240 mm
thickness
175 μm
ash
≤0.015%
pore size
7 μm (Particle retention)
basis weight
101 g/m2
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Related Categories
1 of 4
This Item | WHA1452110 | WHA1452090 | WHA1452125 |
|---|---|---|---|
| diam. 240 mm | diam. 110 mm | diam. 90 mm | diam. 125 mm |
| pore size 7 μm (Particle retention) | pore size 7 μm (Particle retention) | pore size 7 μm (Particle retention) | pore size 7 μm (Particle retention) |
| material circles , cotton filters (high-quality cotton linters) | material circles , cotton filters (high-quality cotton linters) | material circles , cotton filters (high-quality cotton linters) | material circles , cotton filters (high-quality cotton linters) |
| manufacturer/tradename Whatman 1452-240, Whatman Article No. 28418105 (US reference) | manufacturer/tradename Whatman 1452-110, Whatman Article No. 28418102 (US reference) | manufacturer/tradename Whatman 1452-090, Whatman Article No. 28418101 (US reference) | manufacturer/tradename Whatman 1452-125, Whatman Article No. 28418103 (US reference) |
| parameter 7 psi wet burst, 235 sec/100 mL speed (Herzberg) | parameter 235 sec/100 mL speed (Herzberg), 7 psi wet burst | parameter 235 sec/100 mL speed (Herzberg), 7 psi wet burst | parameter 235 sec/100 mL speed (Herzberg), 7 psi wet burst |
| packaging pack of 100 | packaging pack of 100 | packaging pack of 100 | packaging pack of 100 |
Features and Benefits
- Manufactured from high-quality cotton linters and treated to remove trace metals
- High wet-strength and chemical resistance
- Nominal particle retention of 7 µm
- Medium flow rate (Herzberg filtration speed 235 s)
- High purity (0.015% ash maximum)
- Compatible with Hirsch or Büchner funnel applications
General description
Büchner funnel vacuum filtration
The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. Cytiva′s Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection.
Other Notes
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