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Cytiva Whatman™ Qualitative Filter Papers: Grade 4 Sheets
Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Papers: Grade 4 Sheets are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
€ 333.00 - € 348.00
Specifications
| Format | Sheet |
|---|---|
| Material | Cellulose |
| Particle Retention | Coarse particles and gelatinous precipitates |
| Pore Size | 20 to 25 μm |
| Filtration Speed | 37 sec. |
| Product Code | Brand | Dimensions (L x W) | Price | Quantity & Availability | |||||
|---|---|---|---|---|---|---|---|---|---|
| Product Code | Brand | Dimensions (L x W) | Price | Quantity & Availability | |||||
|
11342855
|
Cytiva
1004-917 |
460 x 570 mm (18.11 x 22.45 in.) |
€ 348.00
Pack of 100 |
Estimated Shipment: 07-05-2024
Log in to see stock. |
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|
11360454
|
Cytiva
1004-930 |
580 x 580 mm (23 x 23 in.) |
€ 333.00
Pack of 100 |
Estimated Shipment: 07-05-2024
Log in to see stock. |
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Description
Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Papers: Grade 4 Sheets are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids.
- Particle Retention: 25μm
- Porosity: Coarse
- Filtration speed: Herzberg, 37 sec.
- Surface: smooth
- Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide
- Useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis
Specifications
| Sheet | |
| Coarse particles and gelatinous precipitates | |
| 37 sec. | |
| A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. | |
| 100 Pack |
| Cellulose | |
| 20 to 25 μm | |
| Fast | |
| Grade 4 | |
| 210 μm |