potassium rhodanide

例句：

1. 1. Potassium rhodanide is a common chemical used in the production of fireworks.
   钾铷盐是生产烟花的常见化学物质。
2. 2. The potassium rhodanide was found to have a high melting point and low toxicity.
   钾铷盐被发现具有高熔点和低毒性。
3. 3. In the lab, we use potassium rhodanide to create colorful sparks.
   在实验室里，我们使用钾铷盐来制造彩色的火花。