Chromatography, Electrophoresis and Blotting
Paper
|
Key Features
|
|
| Typical Grade Properties | ||||
|
Grades
|
Thickness
mm |
Klemm |
Absorption
Speed
mm/30 min |
Whatman Cross
Reference |
|
601
|
0.18
|
13
|
125
|
1 CHR
|
|
642
|
0.20
|
12
|
120
|
2 CHR or 20 CHR
|
|
631
|
0.24
|
13
|
150
|
4 CHR
|
|
238
|
0.35
|
15
|
140
|
3MM CHR
|
|
237
|
0.41
|
18
|
150
|
3 CHR
|
|
222
|
0.83
|
33
|
220
|
31 ET CHR
|
|
243
|
1.02
|
21
|
180
|
17 CHR
|
|
320
|
2.45
|
50
|
240
|
-
|
|
Catalog Numbers
|
||||||||
|
(100/box; items with grade numbers
in bold are 50/box)
|
||||||||
|
Size*
|
601
|
642
|
631
|
222
|
237
|
238
|
243
|
320
|
|
5 x 7.5
|
6018-0575
|
6428-0575
|
6318-0575
|
2228-0575
|
2378-0575
|
2388-0575
|
2438-0575
|
3208-0575
|
|
7 x 8
|
6018-0708
|
6428-0708
|
6318-0708
|
2228-0708
|
2378-0708
|
2388-0708
|
2438-0708
|
3208-0708
|
|
7 x 10
|
6018-0710
|
6428-0710
|
6318-0710
|
2228-0710
|
2378-0710
|
2388-0710
|
2438-0710
|
3208-0710
|
|
11 x 14
|
6018-1114
|
6428-1114
|
6318-1114
|
2228-1114
|
2378-1114
|
2388-1114
|
2438-1114
|
3208-1114
|
|
14 x 17
|
6018-1417
|
6428-1417
|
6318-1417
|
2228-1417
|
2378-1417
|
2388-1417
|
2438-1417
|
3208-1417
|
|
16 x 18
|
6018-1618
|
6428-1618
|
6318-1618
|
2228-1618
|
2378-1618
|
2388-1618
|
2438-1618
|
3208-1618
|
|
20 x 20
|
6018-2020
|
6428-2020
|
6318-2020
|
2228-2020
|
2378-2020
|
2388-2020
|
2438-2020
|
3208-2020
|
|
46 x 57
|
6018-4657
|
6428-4657
|
6318-4657
|
2228-4657
|
2378-4657
|
2388-4657
|
2438-4657
|
3208-4657
|
| * All sheet sizes are in centimeters; additional sizes available in sheets or rolls. | ||||||||