photometrictitration

例句：

1. 1. The photometric titration of the sample was conducted using a spectrophotometer.
   使用分光光度计进行了样品的光度滴定。
2. 2. The results of the photometric titration were used to determine the concentration of the solution.
   光度滴定的结果被用来确定溶液的浓度。
3. 3. In this experiment, we used a photometric titration method to analyze the chemical composition of the sample.
   在这个实验中，我们使用了光度滴定法来分析样本的化学成分。