Chemistry
The Principle of Electrogravimetry for Quantitative Metal Analysis
Quick fact
In electrogravimetry, the mass of the deposited metal is used to calculate the original concentration, and the technique can achieve accuracies on the order of 0.1%–0.5% when performed correctly. Unlike many modern instrumental methods, it requires no calibration curve because the measurement is directly linked to the fundamental chemistry.
Why this is interesting
You have seen electroplating—like a shiny chrome bumper or a gold-plated connector—but did you know that the very same principle can be used to measure the exact amount of a metal in a solution?