potassium ferrocyanide

例句：

1. 1. This potassium ferrocyanide is very useful for treating burns.
   这种钾氰化物对治疗烧伤非常有用。
2. 2. The potassium ferrocyanide was used as a preservative in the food industry.
   这种钾氰化物在食品工业中用作防腐剂。
3. 3. Potassium ferrocyanide has been found to have antibacterial properties.
   研究发现，钾氰化物具有抗菌特性。