Grade: BIO-42
Particle Retention: 2.5μm
Product Appearance: Coarse
Filtration Speed: Slow
Ash Content(%): <0.008
Thickness(mm): 200
Basis Weight(g/m²): 100
Wet Burst(psi): 0.7
Quantitative Filter Paper Grade: BIO-42
Description
Description of Quantitative Filter Paper BIO-42
Hawach Scientific Co., Ltd BIO-42 is equivalent to Whatman’s Grade 42 with more competitive price, which has a high retention rate and slow flow rate (2.5μm). The finest particle retention in all Hawach cellulose filter papers. Commonly used for the determination of the elemental content of minerals such as barium sulfate, metastannic acid, calcium carbonate, barium carbonate, filtration of gasoline or organic solvents, and filtration preparation of spectral and chromatographic samples, such as atomic absorption (AAS) determination of the second laurel in the feed. Similarly, these filter papers can used determination of the content of dibutyltin acid.
Features of Quantitative Filter Paper BIO-42
High-purity filters contain 0.0009% maximum ash content
Slow filtration speed and the nominal particle retention rating of 2.5μm
Particularly useful for gravimetric analysis
Advantages
Full range of diameter and OEM service available
High quality with cost-effective
According to the speed, divided into three kinds: fast speed, medium speed, slow speed
Applications
Barium sulfate, stannic acid and fine precipitated calcium carbonate and other
Precipitates of the specific gravity analysis
Grade Comparison
| Hawach Scientific Co., Ltd | Whatman | Advantec | Munktell | Ahlstrom | Macherey Nagel |
|---|---|---|---|---|---|
| BIO-42 | Grade 42 | 5C | 393/00H | 94 | 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-42 | 2.5μm | Smooth | Slow | <0.007 | 104 | > 200 |
Ordering Information
| Item # | Description |
|---|---|
| BIO-42-055 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 55mm, 100pcs/pk |
| BIO-42-070 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 70mm, 100pcs/pk |
| BIO-42-090 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 90mm, 100pcs/pk |
| BIO-42-110 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 110mm, 100pcs/pk |
| BIO-42-125 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 125mm, 100pcs/pk |
| BIO-42-150 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 150mm, 100pcs/pk |
| BIO-42-180 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 180mm, 100pcs/pk |
| BIO-42-185 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 185mm, 100pcs/pk |
| BIO-42-240 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 240mm, 100pcs/pk |
| BIO-42-270 | Quantitative Filter Papers, Grade 42, Slow, 2.5μm, 270mm, 100pcs/pk |
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