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Cytiva (Formerly GE Healthcare Life Sciences) Whatman™ Quantitative Filter Paper: Grade 40 Circles
Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.
$26.12 - $449.73
Specifications
Material | High-quality cotton linters |
---|---|
Format | Circles |
Grade | Grade 40 |
Pore Size (Metric) | 8μm |
Porosity | Medium |
Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity | |||||
---|---|---|---|---|---|---|---|---|---|
Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity | |||||
09-927-541
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440012 |
12.7mm |
Pack of 400 Each for $27.70
|
|
09-845H
|
Cytiva (Formerly GE Healthcare Life Sciences)
WHT1440042 |
42.5mm |
Pack of 100 Each for $41.03
|
|
09-800-969
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440047 |
47mm |
Pack of 100 Each for $57.34
|
|
09-845A
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440055 |
55mm |
Pack of 100 Each for $49.24
|
|
09-845B
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440070 |
70mm |
Pack of 100 Each for $52.15
|
|
09-845C
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440090 |
90mm |
Pack of 100 Each for $72.49
|
|
09-845D
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440110 |
110mm |
Pack of 100 Each for $86.01
|
|
09-845E
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440125 |
125mm |
Pack of 100 Each for $106.74
|
|
09-845F
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440150 |
150mm |
Pack of 100 Each for $156.79
|
|
09-845G
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440185 |
185mm |
Pack of 100 Each for $191.02
|
|
09-845K
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440240 |
240mm |
Pack of 100 Each for $217.21
|
|
09-845M
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440320 |
320mm |
Pack of 100 Each for $449.73
|
|
09-845J
|
Cytiva (Formerly GE Healthcare Life Sciences)
1440329 |
30mm |
Pack of 100 Each for $26.12
|
|
Description
Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.
Ashless grades are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis.- High-purity filters for quantitative analysis
- Contain 0.007% maximum ash content
- Medium nominal particle retention rating of 8µm
- Medium filtration speed (Herzberg 340 sec.)
Suited for
- 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) spectrometry
- Analysis of constituent components in cements, clays, iron, and steel products
- Collection of trace elements and radionuclides from the atmosphere
Specifications
High-quality cotton linters | |
Grade 40 | |
Medium | |
210μm |
Circles | |
8μm | |
Medium |