Choosing a liquid chromatography (LC) column is one of the most important decisions in method development, particularly for polar compounds that can be difficult to retain using conventional reversed-phase chromatography. Understanding the relationship between analyte chemistry and stationary phase selectivity can reduce trial-and-error and lead to more robust separations.
This visual guide explains the principles of LC column selection for polar compounds and provides a practical approach to choosing between hydrophilic interaction liquid chromatography (HILIC) and reversed-phase chromatography based on analyte characteristics, retention mechanisms, and application requirements.
Download this guide to learn:
- How to determine whether HILIC or reversed-phase chromatography is the best starting point for a separation
- How analyte polarity, acidity, and basicity influence column selection and retention mechanisms
- Best practices for selecting stationary phases and mobile phase buffers for robust LC and liquid chromatography-mass spectrometry methods
