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$103.00
$103.00
Available to ship onJanuary 14, 2026Details
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Product Name
Whatman® quantitative filter paper, ashless, Grade 40, circles, diam. 150 mm, pack of 100
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1440-150
Whatman Article No. 28417995 (US reference)
parameter
0.29 psi wet burst
340 sec/100 mL speed (Herzberg)
diam.
150 mm
thickness
210 μm
ash
≤0.007%
pore size
8 μm (Particle retention)
basis weight
95 g/m2
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Related Categories
1 of 4
This Item | WHA1440110 | WHA1440125 | WHA1440012 |
|---|---|---|---|
| manufacturer/tradename Whatman 1440-150, Whatman Article No. 28417995 (US reference) | manufacturer/tradename Whatman 1440-110, Whatman Article No. 28417993 (US reference) | manufacturer/tradename Whatman 1440-125, Whatman Article No. 28417994 (US reference) | manufacturer/tradename Whatman 1440-012, Whatman Article No. 28417986 (US reference) |
| diam. 150 mm | diam. 110 mm | diam. 125 mm | diam. 12.7 mm |
| pore size 8 μm (Particle retention) | pore size 8 μm (Particle retention) | pore size 8 μm (Particle retention) | pore size 8 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) |
| parameter 0.29 psi wet burst, 340 sec/100 mL speed (Herzberg) | parameter 0.29 psi wet burst, 340 sec/100 mL speed (Herzberg) | parameter 0.29 psi wet burst, 340 sec/100 mL speed (Herzberg) | parameter 0.29 psi wet burst, 340 sec/100 mL speed (Herzberg) |
| packaging pack of 100 | packaging pack of 100 | packaging pack of 100 | packaging pack of 400 |
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
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