Liquid Chromatography

Separation Science in collaboration with PSS

Recent Posts

Sample Preparation in GPC/SEC

Want to get a better understanding of the various sample preparation procedures available for GPC/SEC analysis, and what to consider when selecting one? If so, this tutorial is for you...

Understanding GPC/SEC - Finding the Right Particle Size and Pore Size

Want to understand what the correct criteria for column selection should be based on? If so, this tutorial is for you...

Understanding GPC/SEC - Unexpected Peak Shapes

Do you find weird peak shapes in your chromatograms? Not sure if they are real or artifacts?

Understanding GPC/SEC - How to deal with pressure problems

So you're using gel permeation chromatography (GPC) / size exclusion chromatography (SEC) but are experiencing problems with your system pressure. What do you do?

Understanding GPC/SEC - What do you need to know before injecting a sample?

So you're thinking of using gel permeation chromatography (GPC) for your analyses, but before you dive in just what information do you need to know before your first sample injection?

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