sodium ferricyanide

例句：

1. 1. The solution contains a small amount of sodium ferricyanide to prevent rusting.
   该溶液含有少量的亚铁氰化钠以防止生锈。
2. 2. The chemical was used as a preservative in the food industry.
   这种化学物质在食品工业中用作防腐剂。
3. 3. Sodium ferricyanide is a powerful antioxidant that can help protect against heart disease.
   亚铁氰化钠是一种强大的抗氧化剂，可以帮助预防心脏病。