platinum diiodide

例句：

1. 1.This is a rare and valuable material used in jewelry production.
   这是一种稀有且珍贵的材料，用于珠宝生产。
2. 2. The chemical properties of this compound are similar to those of platinum.
   这种化合物的化学性质与铂相似。
3. 3. Platinum diiodide is often used as an electroplating agent for metals.
   铂二碘化物常被用作金属电镀的镀层剂。