ferric bromide

例句：

1. 1. This solution is used to remove iron from the water.
   这种溶液用于从水中去除铁。
2. 2. The iron content in the soil can be increased by adding ferric bromide.
   通过添加铁溴化物可以增加土壤中的铁含量。
3. 3. The ferric bromide reacts with the oxygen in the air to form a green compound.
   铁溴化物与空气中的氧气反应形成一种绿色化合物。