Ion chromatography

Ion chromatography in surface technology is a highly specialized technique used for the separation, analysis and characterization of ions in a variety of samples. In contrast to conventional chromatography, which concentrates on the separation of molecules, ion chromatography focuses on the separation of charged ions in solutions.

The process of ion chromatography is based on the interaction between charged ions and a stationary phase material in a chromatographic column. The sample is dissolved in a mobile phase and passed through the column, where the ions are separated by interaction with the stationary phase material. The separation of the ions is based on their different affinity to the stationary phase material. Ions with a stronger affinity for the stationary phase material spend more time in the column and move through it more slowly, while ions with a weaker affinity pass through the column more quickly.

Ion chromatography in surface technology is often used to analyze samples containing metal ions, anions or cations. This can include the characterization of surface coatings, the investigation of corrosion products or the monitoring of impurities in industrial processes.

An important advantage of ion chromatography in surface technology is its high sensitivity and accuracy in determining ion concentrations. This makes it a valuable tool for quality control, process monitoring and research in various industries. Overall, ion chromatography in surface technology plays an important role in the characterization and analysis of ions in various samples and contributes to improving the quality and performance of surface coatings and other materials.