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GRAM Columns

GRAM Columns

Product Details:

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Product Description

GRAM columns

Specifications GRAM columns

Applicability Polyurethane, Polyimide, Starches, Celluloses, certain Polyamide, other polar polymers
EluentsDMF, DMAc, NMP, DMSO
Material Polyester copolymer network
Maximum Pressure50 -120 bar (725 - 1740 psi), depending on porosity
Maximum Temperature 90° C
Maximum Flow Rate2 ml/min (I.D.: 8 mm)
Particle Size10 µm
Molecular Weight Range 100 to 50 000 000 Da


Standard Columns (others on request)

Separation Range [Da]   Preconfigured Columns Sets
100 - 60 000   GRAM Combination low (P/N 208-0001)
100 - 1 000 000   GRAM Combination medium (P/N 208-0002)
100 - 5 000 000   GRAM Combination high (P/N 208-0003)
100 - 50 000 000   GRAM Combination ultrahigh (P/N 208-0004)
     
Separation Range [Da]   Single Porosity/Linear Columns
100 - 10 000   30
300 - 60 000   100
1 000 - 1 000 000   1 000
5 000 - 5 000 000   3 000
10 000 - 50 000 000   10 000
500 - 1 000 000   Linear
     

Part numbers depend on particle size and dimension

Columns are available as Analytical, Preparative, or High Speed Columns.

Separation Range

Calibration Curves

Eluent: DMF
Calibrants: Poly(methyl methacrylate)

NATIONAL ANALYTICAL CORPORATION

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