Whatman™ Grade 1 Qualitative Cellulose Filter Papers
Manufacturer: VWR International
The Whatman™ Grade 1 Qualitative Filter Paper is the fundamental workhorse of any laboratory, offering a versatile and reliable solution for routine applications. As the most widely used standard grade cellulose filter paper, it provides a perfect balance of medium porosity and a medium flow rate, making it ideal for clarifying liquids, performing qualitative analytical separations, and general sample preparation.
Description
In Stock!
Lead Times May Vary.
This filter’s broad applicability and 11 µm particle retention make it indispensable across a variety of fields. It is a trusted standard for collecting atmospheric dust in air pollution monitoring, is routinely used in agricultural soil analysis and seed testing, and is relied upon in industrial food processing techniques. For maximum convenience, the Grade 1 paper is available in a comprehensive range of diameters and formats, including circles, sheets, and prepleated filters, ensuring there is a perfect fit for every procedure in your lab.
Features:
- Most widely used standard grade cellulose filter paper for routine laboratory applications
- Medium porosity and medium flow rate for general qualitative separations
- 11 µm particle retention is ideal for clarifying liquids and collecting coarse precipitates
- Used in air pollution monitoring, agricultural soil analysis, and food processing techniques
- Available in a wide variety of formats including circles, sheets, and prepleated filters
| SKU | Flow Rate | Retention | Shape | Porosity | Color |
|---|---|---|---|---|---|
| 28450-021 | Medium | 11 µm | Circle | Medium | White |
| 28450-026 | Medium | 11 µm | Circle | Medium | White |
| 28450-048 | Medium | 11 µm | Circle | Medium | White |
| 28450-070 | Medium | 11 µm | Circle | Medium | White |
| 28450-081 | Medium | 11 µm | Circle | Medium | White |
| 28450-106 | Medium | 11 µm | Circle | Medium | White |
| 28450-128 | Medium | 11 µm | Circle | Medium | White |
| 28450-150 | Medium | 11 µm | Circle | Medium | White |
| 28450-160 | Medium | 11 µm | Circle | Medium | White |
| 28450-182 | Medium | 11 µm | Circle | Medium | White |
| 28450-207 | Medium | 11 µm | Circle | Medium | White |
| 28450-229 | Medium | 11 µm | Circle | Medium | White |
| 70240-010 | Medium | 11 µm | Circle | Medium | White |
| 70240-008 | Medium | 11 µm | Circle | Medium | White |
| 28451-006 | Medium | 11 µm | Circle | Medium | White |
| 70240-096 | Medium | 11 µm | Circle | Medium | White |
|
Whatman™ Filter Paper Decision Chart | Download |
| SKU | Material | Thickness | Type | Grade | Basis Weight | Air Flow Rate |
|---|---|---|---|---|---|---|
| 28450-021 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-026 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-048 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-070 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-081 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-106 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-128 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-150 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-160 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-182 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-207 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28450-229 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 70240-010 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 70240-008 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 28451-006 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
| 70240-096 | Cellulose | 180 µm | Qualitative | Grade 1 | 87 g/m2 | 13 s/100 mL/in2 |
Related Products
The Whatman™ Grade 1 Qualitative Filter Paper is the fundamental workhorse of any laboratory, offering a versatile and reliable solution for routine applications. As the most widely used standard grade cellulose filter paper, it provides a perfect balance of medium porosity and a medium flow rate, making it ideal for clarifying liquids, performing qualitative analytical separations, and general sample preparation.
Starting at $16.98
Request A Quote
![Whatman™ Grade 1 Qualitative Filter Paper (11 µm) for Routine Lab Use]()
Select a product below and add it to your cart to request a quote.
