GPC/SEC System Solutions 

Robust system solutions for your GPC/SEC analysis and purification

AZURA® SEC Compact System

The SEC Compact System provides an impressive price-to-performance ratio, making it the ideal solution for laboratories exploring GPC/SEC, as well as for process control and educational laboratories.

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AZURA® SEC Lab System

The SEC Lab System is designed for laboratories that demand highest analytical performance. The system shows exceptional flow precision paired with ultra-low pulsation for best-in-class reproducibility.

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AZURA® SEC Semi-prep System

The SEC Semi-prep system offers the possibility of fractionating specific molecular weight ranges for purification tasks. The pump delivers flow rates of up to 50 ml/min and is suitable for every semi-preparative GPC/SEC column.

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AZURA® GPC Cleanup System

Do not waste time with manual sample preparation. The GPC Cleanup system automates work-intensive and time-consuming cleanup tasks based on gel permeation chromato­graphy (GPC). The system is well-suited for running samples of high viscosity.

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Gel permeation and size exclusion chromatography

AZURA® SEC is KNAUER's line of GPC and SEC systems that offers solutions for different applications and labs. These systems can analyze, separate and fractionate sample components based on size and molecular weight, making them useful for industries such as polymer, food, biochemistry and pharmaceuticals, as well as research.


The systems come in different variants, each tailored to specific lab needs, such as the AZURA SEC Compact for budget-friendly solutions or the AZURA SEC Lab for highest analytical performance.

High precision pumps

Low-drift RID

Supporting ClarityChrom® & PurityChrom

Made in Germany


AZURA® GPC/SEC System Solutions
Gel Permeation Chromatography (GPC) and Size Exclusion Chromatography (SEC) separate analytes by size using special columns with a porous matrix. The basic separation principle relies on the fact that smaller molecules will be more likely to enter those pores, making their travel time through the matrix longer than that of larger molecules. Separations (typically of a mixture of polymers, polysaccharides or biomolecules) are facilitated by choosing optimal particle and pore sizes, as well as column length.

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