noun
- Plural of polarography; analytical techniques that measure electrical current as a function of applied voltage to identify and quantify chemical substances in solution.
Usage: technical; chemistry
Examples
- The laboratory used several polarographies to analyze the metal ion concentrations in the water sample.
- Modern polarographies have improved sensitivity compared to earlier electrochemical methods.
- Researchers compared different polarographies to determine which was most effective for detecting trace elements.
- The textbook chapter covered the principles behind various polarographies used in analytical chemistry.