Specifications GRAM columns
|
Applicability |
Polyurethane, Polyimide, Starches, Celluloses, certain Polyamide, other polar polymers |
|
Eluents |
DMF, DMAc, NMP, DMSO |
|
Material |
Polyester copolymer network |
|
Maximum Pressure |
50 -120 bar (725 - 1740 psi), depending on porosity |
|
Maximum Temperature |
90° C |
|
Maximum Flow Rate |
2 ml/min (I.D.: 8 mm) |
|
Particle Size |
10 µm |
|
Molecular Weight Range |
100 to 50 000 000 Da |
|
Incompatibility |
Drying and freezing |
|
Recommended Column Combination |
Low molar mass: 100 Å + 100 Å Medium molar mass: 30 Å + 1 000 Å + 1 000 Å High molar mass: 100 Å + 10 000 Å + 10 000 Å |
Separation range
|
30 Å |
100 |
- |
10 000 Da |
|
100 Å |
300 |
- |
60 000 Da |
|
1 000 Å |
1 000 |
- |
1 000 000 Da |
|
3 000 Å |
5 000 |
- |
5 000 000 Da |
|
10 000 Å |
10 000 |
- |
50 000 000 Da |
|
linear |
500 |
- |
1 000 000 Da |
Calibration curves: single porosity and linear columns
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