titration of halide

例句：

1. 1. The chemist used a solution of sodium hydroxide to perform a titration experiment.
   化学家使用氢氧化钠溶液进行了滴定实验。
2. 2.The process of titration is crucial for determining the concentration of a substance.
   滴定过程对于确定物质的浓度至关重要。
3. 3. During the titration, the pH of the solution was carefully monitored.
   在滴定过程中，溶液的pH值被仔细监控。