What is the function of a chromatographic electrochemical detector?

The function of a chromatographic electrochemical detector primarily involves identifying and quantifying chemical compounds based on their electrochemical behavior. This kind of detector leverages the principle that many compounds can undergo oxidation or reduction reactions when subjected to an electrode potential. By applying a specific voltage, the detector can measure the resulting current, which is proportional to the concentration of the analyte in the solution. This allows for sensitive detection and quantification of substances as they elute from the chromatographic column.

Moreover, because different compounds have distinct electrochemical properties, the detector can also provide valuable information regarding their identities. This is especially useful in complex mixtures, where traditional methods may struggle to differentiate closely related compounds. The electrochemical response is measured in real-time, providing immediate and accurate data on the composition of the sample.