| 摘要 |
A method for measuring metal ion concentration includes the following steps of: providing a measuring solution having metal ion; providing a potential scan device ( 1 ); measuring a cyclic voltammetry curve of the measuring solution using the potential scan device 1 at a constant scan rate in a specific potential range, the cyclic voltammetry curve has a peak current; obtaining a linear equation, which indicates a linear relationship of peak current versus a concentration of metal ion in standard metal ion solution in the specific potential range; and determining a concentration of the metal ion of the measuring solution by computing the peak current of the cyclic voltammetry curve of the measuring solution into the linear equation.
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