As you may have noticed, above you will find words for "In liquid chromatography, a mobile phase of constant composition. In contrast to this is the so called "gradient elution", which is a separation where the mobile phase changes its composition during a separation process.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.