Grade: BIO-44
Particle Retention: 3μm
Product Appearance: Good
Filtration Speed: Slow
Ash Content(%): < 0.008
Thickness(mm): 176
Basis Weight(g/m²): 77
Wet Burst(psi): 0.4
Quantitative Filter Paper Grade: BIO-44
Description
Description of Quantitative Filter Paper Grade: BIO-44
Hawach Scientific Co., Ltd BIO-44 filter paper is a star product equivalent to Whatman’s Grade 44 with more competitive price, which has a high retention rate and slow flow rate (3μm). BIO 44 filter paper has lower ash than other filter papers in this series. The efficiency of collecting small particles is slightly lower than that of BIO 42, but the flow rate is faster.
Features of Quantitative Filter Paper Grade: BIO-44
Equivalent to Whatman Grade 44
High-purity filters contain 0.009% maximum ash content
The filter is slow and nominal particles retain a rating of 3 microns
Particularly useful for gravimetric analysis
Advantages
ISO9001 & CE Double approved
Manufactured from alpha-cellulose and high-cotton linters
High purity and consistent performance, the quality is equivalent to Whatman, the price is more competitive
Lowest ashless content: < 0.007%
Applications
Pressure filtration
Ideal for a variety of important analytical filtration steps
Keep very fine particles
Grade Comparison
| Hawach Scientific Co., Ltd | Whatman | Advantec | Munktell | Ahlstrom | Macherey Nagel |
|---|---|---|---|---|---|
| BIO-44 | Grade 44 | 6/4A | 391 | 95 | 640de |
Guide for Filter Paper
Technical Data
| Grade | Particle Retention |
Product Appearance |
Filtration Speed | Ash Content (%) |
Basis Weight (g/m2) |
Wet Burst (mm H2O) |
|---|---|---|---|---|---|---|
| BIO-44 | 3μm | Smooth | Slow | <0.007 | 104 | 200 |
Ordering Information
| Item # | Description |
|---|---|
| BIO-44-055 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 55mm, 100pcs/pk |
| BIO-44-070 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 70mm, 100pcs/pk |
| BIO-44-090 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 90mm, 100pcs/pk |
| BIO-44-110 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 110mm, 100pcs/pk |
| BIO-44-125 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 125mm, 100pcs/pk |
| BIO-44-150 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 150mm, 100pcs/pk |
| BIO-44-180 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 180mm, 100pcs/pk |
| BIO-44-185 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 185mm, 100pcs/pk |
| BIO-44-240 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 240mm, 100pcs/pk |
| BIO-44-270 | Quantitative Filter Papers, Grade 44, Slow, 3μm, 270mm, 100pcs/pk |
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