Description
Ahlstrom® Qualitative Filter Paper, Grade 631, 40 cm, 10.0 micron, 100/PK, 6310-4000
Features:
- 10 ?m, Medium Speed
- Used for filtration of coarse particles and gelatinous precipitates such as ferric aluminum and magnesium hydroxides
- Used in air monitoring and gas filtration when high flow rate is needed
- Also found in routine cleanup analysis of insoluble liquids such as biological fluids and organic elements
- Non wet-strengthened
- Suitable for quadrant folded or gravity flow applications
- Equivalent to Whatman® Grade 4
Specifications
| Range | Particle retention: 10 microns |
|---|---|
| Range | Filtration Speed (Herzberg): 34 sec/100 mL |
| Range | Filtration Speed (Rapidity): 200 mLs/min |
| Range | Weight: 88 g/sq m |
| Capacity | Loading: high |
| Material | alpha-cellulose, 100% cotton |
| Other | Surface texture: smooth |
| Other | Average ash content: 0.06% |
| Dimensions | 40 cm diameter, thickness: 0.23 mm |
| Manufacturer | Ahlstrom |
| Model No | 6310-4000 |