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Size Exclusion Chromatography

Introducing Zetadex, a new cross-linked composite dextran matrix for Gel Permeation Chromatography. Zetadex has been proven to be superior for desalting, buffer exchange and removal of small molecular impurities, such as unreacted fluorescent dyes, nucleotides, and haptens.  Zetadex gel is used exclusively for the precision-filled manufacture of all columns and filtration plates available from emp BIOTECH.

For bulk applications, Zetadex-25 (protein fractionation range: 1kD - 5kD) and Zetadex-50 (protein fractionation range 2kD - 30kD) are provided in Medium (50µm - 150µm), Fine (20µm - 80µm) and Superfine (20µm - 50µm) grades.  Contact us with your particular purification needs!

Zetadex Gel Filtration product catalog 2019

For questions or a personal consultation, do not hesitate to contact us at the following telephone number or e-mail address:

Telephone: +49 30-9489-2201
E-mail: tech(at)