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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

 

 

Part numbers

Calibration curves: single porosity and linear columns

Calibrants: Poly(methyl methacrylate)" rel="fancybox110" class="jqfancybox">
Eluent: DMF
Calibrants: Poly(methyl methacrylate)

 

 

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