Jacquemart's reagent

例句：

1. 1. The reagent was used to detect the presence of a specific protein in the sample.
   该试剂用于检测样本中特定蛋白质的存在。
2. 2. The chemical reagent was carefully mixed with water before use.
   化学试剂在使用前需小心混合水。
3. 3. The reagent was tested for its effectiveness in identifying the target compound.
   该试剂被测试以确定其识别目标化合物的有效性。