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BIO-RAD



Aminex HPLC columns are packed with a polymer-based matrix (polystyrene divinylbenzene). They separate compounds using the ion-moderated partition chromatography technique. Aminex carbohydrate analysis columns separate compounds using a combination of size exclusion and ligand exchange mechanisms:

 - In oligosaccharide separations, size exclusion is the primary mechanism. Low crosslinked resins allow carbohydrates to penetrate, and oligosaccharides separate by size.
 - For monosaccharide separations, ligand exchange is the primary mechanism and involves the binding of hydroxyl groups of the sugars with the fixed counterion of the resin. Ligand exchange is affected by the nature of the counterion (Pb2+, Ca2+, etc.) and by the spatial orientation of the carbohydrate's hydroxyl groups.

Aminex® Carbohydrate Analysis Columns
Aminex HPX-87C Column
Aminex HPX-87P Column
Fast Carbohydrate Analysis Column
Aminex HPX-87H Column
Aminex HPX-87N Column
Aminex HPX-87K Column
Aminex HPX-42A Column
Aminex HPX-42C Column

Aminex Organic Acid and Alcohol Analysis Columns
Aminex HPX-87H Column
Fast Acid Analysis Column
Fermentation Monitoring Column
Aminex HPX-87C Column

 

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