Description
Ashless Filter Papers – Qualitative
Ashless quantitative and qualitative filter papers provide laboratory grade filtration for extraction systems and are specifically used in combination with a Buchner funnel to remove fats, waxes and any other unwanted contaminants from your solution. These filter papers are used in the pre-processing stage of short path distillation to clean up the material prior to processing.
Key Features:
- ISO 9001 Approved
- Manufactured from alpha-cellulose and cotton linters
- High Purity and low background
- Consistent performance
- Low ashless content: <0.1%
- Whatman equivalent quality
- Pre-Cut for ease of use
Specifications:
| Classification | Qualitative |
| Sizes Available: | |
| BIO-1 | 11um – Medium |
| BIO-4 | 20um – Fast |
| BIO-5 | 2.5um – Slow |
| BIO-6 | 3um – Slow |
| Ash Content | <0.1% |
| Quantity per Pack | 100 |
| Diameter | 24 – 36″ |
Technical Data:
| Grade | Particle Retention | Appearance | Speed | Ash Content (%) | Basis Weight (g/m2) | Wet burst (mm H2O) |
| BIO-1 | 11um | Smooth | Medium | <0.1 | 80.0±4.0 | >140 |
| BIO-2 | 8um | Smooth | Medium | <0.1 | 80.0±4.0 | >140 |
| BIO-4 | 20um | Smooth | Fast | <0.1 | 80.0±4.0 | >120 |
| BIO-5 | 2.5um | Smooth | Slow | <0.1 | 80.0±4.0 | >180 |
| BIO-6 | 3um | Smooth | Slow | <0.1 | 80.0±4.0 | >180 |
| BIO-40 | 8um | Smooth | Medium | <0.007 | 80.0±4.0 | >140 |
| BIO-41 | 20-25um | Smooth | Fast | <0.007 | 80.0±4.0 | >120 |
| BIO-42 | 2.5um | Smooth | Slow | <0.007 | 80.0±4.0 | >180 |
| BIO-43 | 16um | Smooth | Medium to Fast | <0.007 | 80.0±4.0 | >120 |
| BIO-44 | 3um | Smooth | Slow | <0.007 | 80.0±4.0 | >180 |
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