Size Exclusion Chromatography (SEC)


Size Exclusion Chromatography (SEC or SEC-HPLC) is an analytical technique that separates dissolved macromolecules by size based on their elution from columns filled with a porous gel.

Published 25 Feb 2020

Harness the power of OMNISEC

As Malvern Panalytical transitions to an OMNISEC-based Gel Permeation Chromatography (GPC) / Size Exclusion Chromatography (SEC) portfolio, I wanted to remind you why the OMNISEC system has quickly established itself as a versatile tool for characterizing and understanding macromolecules (and…READ MORE >

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Published 28 Jan 2020

Catching up with OMNISEC!

Scientific research is constantly expanding the scope of human knowledge at academic institutes, businesses, and elsewhere across the globe.  Malvern Panalytical is proud to play a role in this incredible work, with the goal of making sophisticated measurements and analyses…READ MORE >

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Published 14 Jan 2020

Pittcon 2020 – Short courses on sizing and separations – in Chicago

  This year’s Pittsburgh Conference (or Pittcon for short) is taking place in Chicago, from March 1 – March 5, 2020. I noticed the earlier early bird time frame for Pittcon short courses. As in previous years, there is a…READ MORE >

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Published 25 Sep 2019

Rh or Rg: Which is best for my GPC/SEC samples?

The primary goal when employing gel permeation / size exclusion chromatography (GPC/SEC) is often to determine the molecular weight of a macromolecular sample.  Multi-detector systems, such as Malvern Panalytical’s OMNISEC and TDAmax systems, are able to offer a range of…READ MORE >

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Published 3 Sep 2019

Help! I need some…GPC/SEC expert advice

There are many things to consider when maintaining a GPC/SEC instrument: the mobile phase, the column set, the pump components, the post-column filter, and up to four different detectors…all in a single system! And that’s not even accounting for your…READ MORE >

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