June 2022 | LCGC Europe

Dealing with Wandering First-Dimension Peaks in 2D-LC Separations

June 01, 2022

LC Troubleshooting

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Retention time fluctuations are challenging to deal with, especially in two-dimensional liquid chromatography (2D‑LC) separations. Here, two approaches are presented that can help navigate this challenge.

Co-Polymer Sequence Determination Using SEC Combined with Py-GC

June 01, 2022

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LCGC Europe spoke to Wouter Knol from the University of Amsterdam, The Netherlands, about co‑polymers, the difficulties surrounding their analysis, and what pyrolysis-gas chromatography (Py‑GC) offers in comparison to other techniques when analyzing co-polymers and their sequence.