Quantitative Filter Papers
Quantitative (ashless) filter papers are made from 100% cotton linters and are free from impurities since the paper is acid washed and cleaned with ultra pure water. The ash content is 0.007%. Available as sheets plain circles and pre-pleated ready to use.
Applications:
- Environmental analysis
- Gravimetric analysis
Available Quantitative Filter Papers:
|
Grade |
Weight (g/m2) |
Thickness (mm) |
Filtration speed |
Retention Efficiency (µm) |
Gas Collection Efficiency (% 0,3 µm DOP) |
|
96 |
0,12 |
Slow |
<5 |
90 |
|
|
97 |
0,22 |
Fast |
>10 |
75 |
|
|
108 |
0,21 |
Medium |
5-10 |
90 |
|
|
118 |
0,22 |
Slow |
<5 |
93 |
|
|
103 |
0,2 |
Medium/Slow |
2-10 |
90 |
|
|
87 |
0,18 |
Medium |
5-10 |
85 |
Compatibility Table
|
Advantec |
Whatman® |
Macherey & Nagel® |
Schleicher & Schuell® |
|
Grade 4A |
42 // 50 // 542 |
640de |
589/6 // 1507 |
|
Grade 5A |
41 // 54 // 541 |
640w |
589/1 // 1505 |
|
Grade 5B |
44 |
640d |
589/5 |
|
Grade 5C |
42 |
640de |
589/3 |
|
Grade 6 |
42 // 50 // 542 |
640de |
589/6 // 1507 |
|
Grade 7 |
40 // 43 |
640m |
589/2 // 589/4 // 1506 |
