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Whatman™ Quantitative Filter Paper: Grade 42 Circles
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
$40.81 - $660.17
| Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Diameter (Metric) | Price | Quantity | |||||
| 09-855AA |
Whatman™
1442055 |
55mm |
Pack of 100 Each for $47.85
|
|
09-855A Accessories |
Whatman™
1442070 |
70mm |
Pack of 100 Each for $57.31
|
|
09-855B Accessories |
Whatman™
1442090 |
90mm |
Pack of 100 Each for $76.46
|
|
09-855D Accessories |
Whatman™
1442125 |
125mm |
Pack of 100 Each for $107.67
|
|
09-855E Accessories |
Whatman™
1442150 |
150mm |
Pack of 100 Each for $136.42
|
|
09-856B Accessories |
Whatman™
1442240 |
240mm |
Pack of 100 Each for $322.23
|
|
09-856A Accessories |
Whatman™
1442042 |
425mm |
Pack of 100 Each for $40.81
|
|
09-855F Accessories |
Whatman™
1442185 |
185mm |
Pack of 100 Each for $201.48
|
|
09-856D Accessories |
Whatman™
1442320 |
320mm |
Pack of 100 Each for $660.17
|
|
09-855C Accessories |
Whatman™
1442110 |
110mm |
Pack of 100 Each for $93.42
|
|
Description
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.- Ashless: 0.007% ash maximum
- Fine (2.5 µm) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation
- Herzberg filtration speed of 1870 s
- Commonly used as a calcium carbonate filter
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Specifications
| Circle | |
| 42 | |
| 2.5μm | |
| Fine |