Mô tả
Chromatography Papers
- High quality papers are carefully tested for spot formation, capillary action, water flow rate and absorption speed to assure uniformity and reproducibility
- Better resolution with slower flow rate papers
APPLICATIONS
- Chromatography
- Electrophoresis and blotting
- Separation of heavily loaded solutes
SPECIFICATIONS AND CONVERSION GUIDE
| Grade |
Weight (g/m2) |
Thickness (mm) |
Absorption Speed*1 (cm) |
Wet Strength*2 |
Ash (%) |
Whatman equivalent |
| No. 50 |
140 |
0.25 |
6.0 |
8 |
0.1 |
20 Chr |
| No. 51A |
87 |
0.18 |
7.5 |
7 |
0.01 |
4 Chr |
| No. 51B |
87 |
0.17 |
7.0 |
5 |
0.06 |
1 Chr |
| No. 514A |
185 |
0.32 |
7.5 |
8 |
0.06 |
3MM Chr |
| No. 526 |
325 |
0.70 |
11.0 |
29 |
0.1 |
17 Chr |
| No. 590 |
285 |
0.93 |
18 |
10 |
0.1 |
17 Chr |
*1. Absorption speed is the distance in cm that water will travel in an upright strip of filter paper in ten (10) minutes at 20°C.
*2. Wet Strength is the pressure measured by Mullen Burst Strength Tester after soaking in water.
ORDERING INFORMATION
All grades above are available in the following size (mm) and quantities:
|
Size
|
Qty / Pkg
|
|
20 x 400
|
100 / Pkg
|
|
200 x 200
|
50 / Pkg
|
|
600 x 600
|
50 / Pkg
|
Order by specifying first the grade of paper then the size, e.g. (No. 51A, 20 mm x 400 mm)
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