产品名称
Whatman® quantitative filter paper, ashless, Grade 40, circles, diam. 125 mm, pack of 100
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1440-125
Whatman Article No. 28417994 (US reference)
parameter
0.29 psi wet burst
340 sec/100 mL speed (Herzberg)
diam.
125 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
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
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