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| Size/SKU | Availability | Price |
|---|---|---|
100 ea | Please contact Customer Service for Availability | £42.20 |
About This Item
£42.20
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
General description
Application
- High-purity filters support accurate analysis in applications sensitive to very low levels of background contamination and in gravimetric analysis where ash content might affect weight measurements of combusted samples.
- Cytiva′s high-purity Whatman Grade 40 ashless paper is suited to:
Soil analysis, when separating solid matter from aqueous extracts
- Quantitative determination of milk sediment
- Use as a clean-up filter for solutions prior to atomic absorption (AA) spectrometryAnalysis of constituent components in cements, clays, iron, and steel products
- Collection of trace elements and radionuclides from the atmosphere
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
1 of 1
This Item | |||
|---|---|---|---|
| description circles, diam. 125 mm, pack of 100 | description circles, diam. 240 mm, pack of 100 | description circles, diam. 110 mm, pack of 100 | description circles, diam. 185 mm, pack of 100 |
| diam. 125 mm | diam. 240 mm | diam. 110 mm | diam. 185 mm |
| manufacturer/tradename Whatman 1440-125, Whatman Article No. 28417994 (US reference) | manufacturer/tradename Whatman Article No. 28417997 (US reference), Whatman 1440-240 | manufacturer/tradename Whatman Article No. 28417993 (US reference), Whatman 1440-110 | manufacturer/tradename Whatman Article No. 28417996 (US reference), Whatman 1440-185 |
| 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 cotton filters (high-quality cotton linters), circles | material cotton filters (high-quality cotton linters), circles | material cotton filters (high-quality cotton linters), circles |
| parameter 340 sec/100 mL speed (Herzberg), 0.29 psi wet burst | 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 100 |
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