These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Grade 5: 2.5 um (slow filter paper)
The maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow flow rate. Excellent clarifying filter for cloudy suspensions and for water and soil analysis.
Properties
- – Particle retention: 2.5µm
- – Nominal thickness: 200 µm
- – Nominal basis weight: 100 g/m2
- – Nominal ash content: 0.06%
Applications
- – Retaining fine precipitates in chemical analysis
- – Clarifying cloudy suspensions in soil and water analysis
Available Sizing
| CODE | Sizing | Description | Pack Size |
|---|---|---|---|
| 1005-325 | 25 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 25 mm | 100 ea |
| 1005-042 | 42 5 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 42.5 mm | 100 ea |
| 1005-047 | 47 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 47 mm | 100 ea |
| 1005-055 | 55 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 55 mm | 100 ea |
| 1005-070 | 70 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 70 mm | 100 ea |
| 1005-090 | 90 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 90 mm | 100 ea |
| 1005-110 | 110 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 110 mm | 100 ea |
| 1005-125 | 125 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 125 mm | 100 ea |
| 1005-150 | 150 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 150 mm | 100 ea |
| 1005-185 | 185 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 185 mm | 100 ea |
| 1005-240 | 240 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 240 mm | 100 ea |
| 1005-320 | 320 mm dia | Whatman® qualitative filter paper, Grade 5, circles, diam. 320 mm | 100 ea |
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