Gelchromatographische refraktionierung, molekulargewichtsabhängigkeit der axialen dispersionsfunktion

6533b828fe1ef96bd12877df

RESEARCH PRODUCT

Gelchromatographische refraktionierung, molekulargewichtsabhängigkeit der axialen dispersionsfunktion

subject

Work (thermodynamics)chemistry.chemical_compound Chemistry Stationary phase Analytical chemistry Polystyrene Permeation Diffusion (business)Dispersion (chemistry)

description

The knowledge of axial dispersion is necessary for the determination of molecular weight distributions from gel permeation chromatograms. This work deals with the determination of the axial dispersion function and its dependence on the molecular weight using refractionation method. The results of a number of fractionated and unfractionated samples of polystyrene reveal that peak dispersion in GPC arises mainly from diffusion in the stationary phase on the basis of the theoretical expression proposed by Kubin.

year	journal	country	edition	language
1979-11-06	Die Makromolekulare Chemie

https://doi.org/10.1002/macp.1979.021801102

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