September 2021 | The Column

How Much Sample Can I Put on My GC Column?

September 10, 2021

Practical GC

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In the latest instalment of “Practical GC”, Chris English takes an empirical approach and examines concentrations for a wide range of compound polarities on several stationary phases, and determines overload as measured by symmetry.

Rising Stars of Separation Science: Emanuela Gionfriddo

September 10, 2021

Featured Interview

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This month we interview Emanuela Gionfriddo, Assistant Professor of Chemistry at the Department of Chemistry and Biochemistry of the University of Toledo in Ohio, USA, about her work quantifying per- and polyfluoroalkyl (PFAS) in water using SPME–LC–MS/MS and the evolving field of sample preparation.

Back to School—Solving Practical HPLC Problems with Basic Theory

September 10, 2021

Features

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I’m very much a “big picture” type of thinker. By that, I mean unless I can understand all of the working parts of a problem and understand how they interact, I find it difficult to decide the best approach to figuring out how to solve the issue.