Grade: BIO-40
Particle Retention: 8.0μm
Product Appearance: Smooth
Filtration Speed: Medium
Ash Content(%): < 0.007
Thickness(mm): 210
Basis Weight(g/m2): 92
Wet Burst(psi): 0.5
Quantitative Filter Paper Grade: BIO-40
Description
Description of Quantitative Filter Paper Grade 40
Hawach Scientific Co., Ltd BIO-40 is a star product equivalent to Whatman’s Grade 40 with a more competitive price, which has a high retention rate and slow flow rate (8μm). Quantitative filter papers are more effective against chemical reactions, so it produces fewer impurities and can be used for quantitative analysis.
Features
BIO-40 is equivalent to Whatman Grade 40
High-purity filters contain 0.007% maximum ash content
Medium flow quantitative filter paper
Ashless filter paper
Advantages
ISO9001 & CE third party certification
High purity and consistent performance
Lowest ashless content: < 0.007%
Full range of diameter and OEM size and types are available
Whatman equivalent quality but competitive price
Easy to use: pre-cut filter paper for use directly
Applications
Pressure filtration
Vacuum filtration
Particle size detection in dyes
Specific gravity analysis of cement, clay, iron and steel products
Separation of solids from aqueous extracts during routine analysis
Analysis of the specific gravity of milk sediment
Collect trace amounts of elements and radionuclides from the atmosphere
Clarification filtration of solution before atomic spectroscopy
Grade Comparison
| Hawach Scientific Co., Ltd | Whatman | Advantec | Munktell | Ahlstrom | Macherey Nagel |
|---|---|---|---|---|---|
| BIO-40 | Grade 40 | NO.5B | 390 | 74 | 640d |
Guide for Filter Paper
Technical Data
| Grade | Particle Retention |
Product Appearance |
Filtration Speed |
Ash Content (%) |
Basis Weight (g/m2) |
Wet Burst (mm H2O) |
|---|---|---|---|---|---|---|
| BIO-40 | 8μm | Smooth | Slow | <0.007 | 104 | > 180 |
Ordering Information
| Item # | Description |
|---|---|
| BIO-40-055 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 55mm, 100pcs/pk |
| BIO-40-070 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 70mm, 100pcs/pk |
| BIO-40-090 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 90mm, 100pcs/pk |
| BIO-40-110 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 110mm, 100pcs/pk |
| BIO-40-125 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 125mm, 100pcs/pk |
| BIO-40-150 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 150mm, 100pcs/pk |
| BIO-40-180 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 180mm, 100pcs/pk |
| BIO-40-185 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 185mm, 100pcs/pk |
| BIO-40-240 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 240mm, 100pcs/pk |
| BIO-40-270 | Quantitative Filter Papers, Grade 40, Medium, 8μm, 270mm, 100pcs/pk |
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