Description
Ahlstrom® Qualitative Filter Paper, Grade 613, 4.25 cm, 6.0 micron, 100/PK, 6130-0425
Features:
- Strong general-purpose filter with medium flow rate and retention
- Commonly used in student laboratories
- Also useful in Buchner funnels for barium carbonate, lead chromate and beryllium hydroxides
- Low ash grade
- Contains more than 95% super refined alpha-cellulose and linter fibers
- Equivalent to Cytiva® Whatman® Grade 93
Specifications
| Range | Particle Retention: 6 microns |
|---|---|
| Range | Filtration Speed (Hertzberg): 114 sec/100 mL |
| Range | Filtration Speed (Rapidity)): 60 mL/min |
| Range | Weight: 70 g/sq m |
| Capacity | Medium loading |
| Material | alpha-cellulose, 70% cotton fiber/30% wood fiber |
| Other | Surface: smooth |
| Other | Ash content: 0.06% |
| Dimensions | 4.25 cm diameter x 0.17 mm thickness |
| Manufacturer | Ahlstrom |
| Model No | 6130-0425 |