iodimetric analysis

例句：

1. 1. The iodometric analysis of the sample was crucial for the determination of its purity.
   对样品进行碘量分析对于确定其纯度至关重要。
2. 2.During the iodometric analysis, the concentration of iodine in the solution is measured.
   在碘量分析过程中，测量溶液中碘的浓度。
3. 3. The iodometric analysis revealed that the sample contained trace amounts of impurities.
   碘量分析显示样本含有微量的杂质。