EDTA

例句：

1. 1. This chemical is used to dissolve metals in laboratory experiments.
   这种化学物质用于实验室实验中溶解金属。
2. 2. The EDTA solution was added to the test tube and allowed to react for several hours.
   EDTA溶液被加入试管并允许反应数小时。
3. 3. The process involves adding a small amount of EDTA to a solution of salts to prevent precipitation.
   该过程涉及向盐溶液中添加少量EDTA以阻止沉淀。