electrometrictitration

例句：

1. 1. The chemist used an electrometric titration to determine the concentration of a substance in the solution.
   化学家使用电化学滴定来确定溶液中物质的浓度。
2. 2. This method is commonly used for the determination of trace metals in environmental samples.
   这种方法常用于环境样品中微量金属的测定。
3. 3.In this experiment, the sample was analyzed using an electrometric titration to detect any contaminants.
   在这个实验中，样品通过电化学滴定分析来检测任何污染物。