high purity arsenic

例句：

1. 1.The chemical was used in the production of high purity arsenic.
   这种化学物质用于生产高纯度砷。
2. 2.High purity arsenic is highly toxic and should be handled with caution.
   高纯度砷非常有毒，应小心处理。
3. 3.The research focused on the purification process for high purity arsenic.
   该研究专注于高纯度砷的提纯过程。